.net Security Exception
Apr 6, 2007
I am trying to access a stored proc from windows app (VS 2005 running on windows 2003 server).
The code is
SqlConnection conn = new SqlConnection(sCn);
SqlCommand command = new SqlCommand(sCmd, conn);
SqlDataAdapter adapter = new SqlDataAdapter(command);
DataSet ds = new DataSet();
adapter.Fill(ds, "Location");
this.dg.DataSource = ds;
this.dg.DataMember = "Location";
I get the following exception!!!
System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.PermissionSet.Demand()
at System.Data.Common.DbConnectionOptions.DemandPermission()
at System.Data.SqlClient.SqlConnection.PermissionDemand()
at System.Data.SqlClient.SqlConnectionFactory.PermissionDemand(DbConnection outerConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable)
at WindowsApplication1.Form1.Form1_Load(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
The action that failed was:
Demand
The type of the first permission that failed was:
System.Data.SqlClient.SqlClientPermission
The Zone of the assembly that failed was:
Internet
What am I doing wrong?
Thanks
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Sep 18, 2006
Hi,
We are getting a weird security exception from our log database recently. This does not happen consistently which is a major pain....
.when our app logs into the db it uses the same connection string for all users including username and pwd.
.when we insert/update a record in a table we use a trigger to insert an entry in a log table (in a log database).
All works fine. But just lately we've start to intermittently get an exception: Server user 'emeaxxx' is not a valid user in database 'xxxLog'. (replacing sensitive info with xxx). Try a few times and it works eventually.
I cannot find any reasonable explanation as to why this would suddenly be a problem. Any ideas?
Thanks
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Nov 13, 2006
Hello,
When I run my report from within visual studio 2005 it generates just fine.
However, when I run the report from the reporting services local web site I get the following error. What do I need to do to fix this (temporarily turning off .net security uusing caspol didn't work).
An error occurred while executing OnInit: Request for the permission of type 'System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed
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Jan 16, 2008
Greetings everyone, I am attempting to build my first application using Microsofts Sql databases. It is a Windows Mobile application so I am using Sql Server Compact 3.5 with Visual Studio 2008 Beta 2. When I try and insert a new row into one of my tables, the app throws the error message shown in the title of this topic.
'((System.Exception)($exception)).Message' threw an exception of type 'System.NotSupportedException'
My table has 4 columns (i have since changed my FavoriteAccount datatype from bit to Integer)
http://i85.photobucket.com/albums/k71/Scionwest/table.jpg
Account type will either be "Checking" or "Savings" when a new row is added, the user will select what they want from a combo box.
Next is a snap shot of my startup form.
http://i85.photobucket.com/albums/k71/Scionwest/form.jpg
Where it says "Favorite Account: None" in the top panel, I am using a link label. When a user clicks "None" it will go to a account creation wizard, and set the first account as it's primary/favorite. As more accounts are added the user can select which will be his/her primary/favorite. For now I am just creating a sample account when the label is clicked in an attempt to get something working. Below is the code used.
private void lnkFavoriteAccount_Click(object sender, EventArgs e)
{
FinancesDataSet.BankAccountRow account = this.financesDataSet.BankAccount.NewBankAccountRow();
account.Name = "MyBank Checking Account";
account.AccountType = "Checking";
account.Balance = Convert.ToDecimal("15.03");
account.FavoriteAccount = 1;//datatype is an integer, I have changed it since I took the screenshot.
financesDataSet.BankAccount.Rows.Add(account);
//The next three lines where added while I was trying to get this to work.
//I don't know if I really need them or not, I receive the error regardless if these are here or not.
this.bankAccountTableAdapter1.Update(financesDataSet);
this.financesDataSet.AcceptChanges();
refreshDatabase();
}
the refreshDatabase() code is here:
private void refreshDatabase()
{
this.bankAccountTableAdapter1.Fill(this.financesDataSet.BankAccount);
//Aquire a count of accounts the user has
int numAccounts = financesDataSet.BankAccount.Count;
//Loop through each account and see which one is the primary.
for (int num = 0; num != numAccounts; num++)
{
//Works ok in frmMain_Load, but when my lnkFavoriteAccount_click calls this, it throws the error.
if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)
{
//Display the primary account on our home page. User can click the link label & be taken to their account register.
this.lnkFavoriteAccount.Text = this.financesDataSet.BankAccount[num].Name.ToString();
this.lnkFavoriteFunds.Text = this.financesDataSet.BankAccount[num].Balance.ToString();
break;
}
}
}
and my form_load code
private void frmMain_Load(object sender, EventArgs e)
{
refreshDatabase();
}
So, when I click on the lnkFavoriteAccount label, and my new row gets added, the app stops at the following line in my DataSet.Designer
[global:ystem.Diagnostics.DebuggerNonUserCodeAttribute()]
public byte FavoriteAccount {
get {
try {
return ((byte)(this[this.tableBankAccount.FavoriteAccountColumn]));
}
catch (global:ystem.InvalidCastException e) {
//Stops at the following line, this error was caused by 'if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)'
throw new global:ystem.Data.StrongTypingException("The value for column 'FavoriteAccount' in table 'BankAccount' is DBNull.", e);
}
}
set {
this[this.tableBankAccount.FavoriteAccountColumn] = value;
}
}
I have no idea what I am doing wrong, all of the code I used I retreived from Microsofts help documentation included with VS2008. I have tried used my TableAdapter.Insert() method and it still failed when it got to
if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)
in my refreshDatabase() method it still failed.
When I look, the data has been added into the database, it's just when I try to retreive it now, it bails on me. Am I retreiving the information wrong?
Thanks for any help you guys can offer.
Johnathon
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Jan 31, 2007
Hi,
I got an strange problem with one of my packages.
When running the package in VisualStudio it runs properly, but if I let this package run as part of an SQL-Server Agent job, I got the message "The script threw an exception: Exception of type 'System.OutOfMemoryException' was thrown." on my log and the package ends up with an error.
Both times it is exactly the same package on the same server, so I don't know how the debug or even if there is anything I need to debug?
Regards,
Jan
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Dec 4, 2014
I use from sql server 2008. and c#
what is the best connectionstring?
I don't know if i use Persist Security Info and Integrated Security or not?
And if yes then their value must be true or false?
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Oct 14, 2005
Hello there I have trying to figure out for days how to enable FullTrust for my Reporting Services security extension.
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Jul 31, 2007
Hi,
I have posted this issue for a week, haven't got any reply yet, I posted it again and desperately need your help.
The article http://msdn2.microsoft.com/en-us/library/ms365343.aspx says:
Model Item Security can be set for differnt security filters, but when I use SQL Server Management Studio to set Model Item Security, it seems "Permissions" property surpass "Model Item Security" property. -- My report server is using Custom Authentication.
For example, in "Permissions" property of the model, if I checked "Use these roles for each group or user account" without setting any user or group, no matter what users I added to "Model Item Security" with "Secure individual model items independently for this model" checked, NO one user can see the model on report manager and report builder;
in above situation, if I added "user1" and gave role such as "Browser" role to "user1" in "Permissions" property, if I checked "Secure individual model items independently for this model" in "Model Item Security" property, even I did NOT grant "user1" to root model and any entities under the model, the "user1" is able to access the model and all entities in report builder.
My question is on the same report model, how to set "AdminFilter" (empty security filter) for administrator permissions and set "GeneralFilter" (filtered on UserID) for general user based on their UserID?
The article also says:
"Security filters are always applied, even for users who have Content Manager or Administrator permissions to the model. To allow administrators or other users to see all rows of an entity on which row-level security is defined, you can create an empty security filter (which always returns True) and then use the filter to grant those users access to all the rows."
So I defined 2 filters "GeneralFilter" and "AdminFilter" for "Staff" entity for my report model "SSRSModel", I expect after I deployed the report model, the administrator users use report builder to build reports with all rows available, and the non-admin users can only see rows based on their UserID.
I can only get one result at a time but not both:
either the rows are filtered or not filtered at all, no matter how I set the "SecurityFilter" for the entity: I tried setting both "AdminFilter" and "GeneralFilter" for SecurityFilter at the same time, combination of "DefaultSecurityFilter" and "SecurityFilter", or one at a time.
Your help is highly appreciated!
Desperate developer
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Apr 26, 2007
hi i want to know what is the differance between
Persist Security Info=False;Integrated Security=Yes;
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Oct 18, 2015
Is there any possibility to schedule SQL job execution as Windows Security Group? I need to run powershell script through SQL job with one of this group member's permissions.
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Jul 6, 2007
I have Sql Server Express installed on Vista (service pack 2)
I have Visual Studio 2005 with an application that I'm trying to access it with within a WCF service.
The login ID of the service is added to the database.
The database has remote access turned on.
The ID is granted access to all databases within the server.
The thread is being set with WindowsProvider and the services set their thread to WindowsProvider.
The dataserver is set with using Windows Authentication for security.
When I open my connection to the database, though, it reports the typically useless message that the connection is not allowed and that the server may not allow remote connections.
How to I get past this? I've done everything right.
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Jun 18, 2007
I want to use an Active Directory security group that is a Distribution List for a new role assignment for an existing report. Can someone tell me if this is possible? I get an error each time I try:
The user or group name <DLName> is not recognized. (rsUnknownUserName)"
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Jul 20, 2005
Is there anybody out there with a MS SQL 2K Security Baseline orSecurity Checklist. Where can I get one????Thanks in advanceDavid
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Feb 28, 2008
Hi;
I am looking for a way to log all security related events for SQL in Windows Security Log. I am trying to use SCOM for monitoring SQL and I am looking at ways to generate alerts in my SCOM Console for specific events in SQL e.g. A table is deleted, user is modified, deleted, etc. Is this possible and if yes how do I achieve the same?
Rgds;
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Aug 3, 2006
In an environment where there are many initaitors speaking to a central target with frowarders in between, from what i can understand this best policy is to disable encryption on the endpoints, since dialog encryption will be enforced this is all that is really required, is this correct.
If the endpoints used encryption the message would need to be encrypted and decrypted at each forwarder resulting in slower perfromance, where as dialog encryption would only encrypt at the sender and decrypt at the target, so is this the best way to go?
Secondly is it best practice to open a dialog initally and send messages over this dialog for years never ending the conversation? This way the services only have to authenticate eachother once, if there are no reboots etc that is of course.
I would think performance wise sending each message and ending the conversation each time is a much greater overhead ? So would it be best practice to keep dialogs open and keep sending messages ?
Initally when i was learning service broker i thought that one must send a message and end the dialog until the next message, but i think the other way is the best option ?
Is this correct ?
Thanx
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Feb 19, 2007
Hi
I'm designing a distributed application where I will have SQL Server 2005 distributed databases replicating data to my central hub which is again a SQL Server 2005 database using SQL Service Broker. Data will be sent from the central hub to the distributed sites and vice versa. I need to authenticate the communication and also secure the communication by encrypting the messages. Which security shall I use? Where do I configure the type of security being used? What is the difference between transport security Vs dialogue security - Full security model?
Thanks
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Jun 29, 2006
Guys, I need your help on this one. I have a problem here. There is an exception on my conn.Open.
It said that "SQL Exception was unhandled by user code. Cannot open database requested in login 'MUSIC STORE'. Login fails.Login failed for user 'IT785P13student'."
Does anyone have any idea what this means?
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Nov 19, 2006
I downloaded a web site from internet and tried to open it in visual web developer express edition but it gave an error and the code and the error was:
CODE- Return CType(Me.GetPropertyValue("Theme"),String)
ERROR -An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections.
An answer will be very good for me
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May 25, 2007
Hi - I am new to *** forum and could really use some help. I am trying to insert the following values in an sql server 2003 database and I get an exception labeled:System.Data.SqlClient.SqlException: Incorrect syntax near ')'. Source:Line 91: connection.Open();Line 92: int numRowsAffected;Line 93: numRowsAffected= command.ExecuteNonQuery();Line 94: connection.Close();Line 95: Stack Trace:[SqlException (0x80131904): Incorrect syntax near ')'.] System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +95 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +82 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +346 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +3244 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +186 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1121 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +334 System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +407 System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +149 _Default.Button1_Click(Object sender, EventArgs e) in e:Hampton DirectWebsitesLunchOrderRestaurantEditor.aspx.cs:93 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +96 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +116 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +31 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +32 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +72 Source Code: SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["LunchOrderTestDBConnectionString1"].ToString());SqlCommand command = new SqlCommand("INSERT INTO Restaurants (Name,Address1,Phone,Fax,Menu_Pages,) VALUES ( @Name,@Address1,@Phone,@Fax,@Menu_Pages)", connection); //@MenuSqlParameter param0 = new SqlParameter( "@Name", SqlDbType.VarChar,50 );param0.Value = TextBox1.Text;command.Parameters.Add( param0 );SqlParameter param1 = new SqlParameter("@Address1", SqlDbType.VarChar, 50);param1.Value = TextBox2.Text;command.Parameters.Add(param1);SqlParameter param2 = new SqlParameter("@Phone", SqlDbType.VarChar, 50);param2.Value = TextBox3.Text;command.Parameters.Add( param2 );SqlParameter param3 = new SqlParameter("@Fax", SqlDbType.VarChar, 50);param3.Value = TextBox5.Text;command.Parameters.Add(param3);//SqlParameter param4 = new SqlParameter("@Menu", SqlDbType.Image);//param4.Value = byte_data;//command.Parameters.Add(param4);SqlParameter param5 = new SqlParameter("@Menu_Pages", SqlDbType.Int, 50);param5.Value = Int32.Parse(TextBox6.Text);command.Parameters.Add(param5);connection.Open();int numRowsAffected;numRowsAffected= command.ExecuteNonQuery();connection.Close();Thank You in advance for all help and suggestions!
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Jul 23, 2007
I am trying to insert data into a table and I am getting a SQL Exception: System.Data.SqlClient.SqlException {"Incorrect syntax near 'nvarchar'. Must declare the scalar variable "@"."}
This is my subroutine that is executed once the submit button is clicked.
Please advise. Thank you for your time!
1 Protected Sub SubmitButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
2 Dim CMLdataSource As New SqlDataSource()
3 Dim commStr As String
4
5 CMLdataSource.ConnectionString = ConfigurationManager.ConnectionStrings("CMLConnectionString1").ToString()
6
7 CMLdataSource.InsertCommandType = SqlDataSourceCommandType.Text
8 commStr = "INSERT INTO SCOs (ProjCode, SCONum, SCORev, DateIssued, DateAssigned, ProjName, CSCI, Description, [IDENT NUMBER], REV, PPRChgAbstract, SourceCodeChange, DocumentChange, "
9 commStr = commStr & "DocChangeRev, ChangeNoticeNum, TechInvest, CDMRep, TestEngineer, SQE, SCCBChair, CDMLibrarian, ECPNum, [CLASS 1], [CLASS 2]) "
10 commStr = commStr & "VALUES (@ProjCode, @SCONum, @SCORev, @DateIssued, @DateAssigned, @ProjName, @CSCI, @Description, @[IDENT NUMBER], @REV, @PPRChgAbstract, @SourceCodeChange, @DocumentChange, "
11 commStr = commStr & "@DocChangeRev, @ChangeNoticeNum, @TechInvest, @CDMRep, @TestEngineer, @SQE, @SCCBChair, @CDMLibrarian, @ECPNum, @[CLASS 1], @[CLASS 2])"
12
13 CMLdataSource.InsertCommand = commStr
14
15 CMLdataSource.InsertParameters.Add("ProjCode", CodeList.Text)
16 CMLdataSource.InsertParameters.Add("SCONum", scoNum.Text)
17 CMLdataSource.InsertParameters.Add("SCORev", ScoRevTextBox.Text)
18 CMLdataSource.InsertParameters.Add("DateIssued", DateIssuedTextBox.Text)
19 CMLdataSource.InsertParameters.Add("DateAssigned", DateAssigTextBox.Text)
20 CMLdataSource.InsertParameters.Add("ProjName", ProjectList.Text)
21 CMLdataSource.InsertParameters.Add("CSCI", CsciTextBox.Text)
22 CMLdataSource.InsertParameters.Add("Description", MediaTextBox.Text)
23 CMLdataSource.InsertParameters.Add("[IDENT NUMBER]", IDTextBox.Text)
24 CMLdataSource.InsertParameters.Add("REV", RevTextBox.Text)
25 CMLdataSource.InsertParameters.Add("PPRChgAbstract", PPRTextBox.Text)
26 CMLdataSource.InsertParameters.Add("SourceCodeChange", SourceCodeTextBox.Text)
27 CMLdataSource.InsertParameters.Add("DocumentChange", DocTitleTextBox.Text)
28 CMLdataSource.InsertParameters.Add("DocChangeRev", RevLetterTextBox.Text)
29 CMLdataSource.InsertParameters.Add("ChangeNoticeNum", ChangeNoticeTextBox.Text)
30 CMLdataSource.InsertParameters.Add("TechInvest", TechInvestTextBox.Text)
31 CMLdataSource.InsertParameters.Add("CDMRep", SwCdmTextBox.Text)
32 CMLdataSource.InsertParameters.Add("TestEngineer", TestEngTextBox.Text)
33 CMLdataSource.InsertParameters.Add("SQE", SqeTextBox.Text)
34 CMLdataSource.InsertParameters.Add("SCCBChair", SccbChairTextBox.Text)
35 CMLdataSource.InsertParameters.Add("CDMLibrarian", CdmLibTextBox.Text)
36 CMLdataSource.InsertParameters.Add("ECPNum", EcpNumTextBox.Text)
37 CMLdataSource.InsertParameters.Add("[Class 1]", Class1TextBox.Text)
38 CMLdataSource.InsertParameters.Add("[Class 2]", Class2TextBox.Text)
39
40 Dim RowsAffected As Integer = 0
41
42 Try
43 RowsAffected = CMLdataSource.Insert()
44 Catch ex As Exception
45 CMLdataSource = Nothing
46 Server.Transfer("dberror.aspx")
47 Finally
48 CMLdataSource = Nothing
49 End Try
50
51
52 If RowsAffected <> 1 Then
53
54 Server.Transfer("dbError.aspx")
55
56 Else
57 Server.Transfer("newConfirm.aspx")
58
59 End If
60
61
62 End Sub
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Aug 30, 2007
Could somebody please tell me what is wrong with this SQL Statement. I'm trying to run it in SQL Server 2000, and keep getting the error:
System.Data.SqlClient.SqlException: Incorrect syntax near the keyword 'GROUP'
but as far as I can see, there isn't anything wrong near "GROUP"..." SELECT b.ColorID, b.ColorName, " +
" MAX(a.ColorID) AS DesignerProductAvailability_ColorID, " +" MAX(a.Quantity) AS DesignerProductAvailability_Quantity, " +
" MAX(a.ProductID) AS DesignerProductAvailability_ProductID " +" FROM DesignerProductAvailability a " +
" INNER JOIN ColorList b " +" ON b.ColorID = DesignerProductAvailability_ColorID " +
" WHERE DesignerProductAvailability_ProductID = @ProductID AND " +" DesignerProductAvailability_Quantity > 0 " +
" ORDER BY b.ColorName ASC " +
" GROUP BY b.ColorName ";
Any help would be greatly appreciated. Thanks in advance!
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Jun 9, 2008
I am passing the values to a class which has a method to insert the date into database. How to retrive this exception thrown in this method and disply to user.
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Aug 17, 2000
We have load-balanced sql server mcs and users will be accessing all the time. We are maintaining user profiles in one mc. Here is the problem. We have a sp which reads profile from one particular mc always. If the mc is down, the sp does not fail gracefully. Instead it causes exception. Is there a way to access sql servers alternatively ie if one server is not responding read data from another sql?
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Jul 14, 2004
Hi all,
I am using MSSQL Server 8.0 , and the driver jtds.jar to connect the database for SQL operation .
I can do all the sql operation .
But after the creation of a trigger for a table , I used the same java program to insert rows into table .
-------The java code I used ---------------------
String connectionString = "jdbc:jtds:sqlserver://localhost:1433/master";
try {
Class.forName(jdbcDriverClass);
Connection con = DriverManager.getConnection(connectionString,userN ame,password);
Statement st = con.createStatement();
String query = "insert into tabname values('11','ROBERT')";
st.executeUpdate(query);
} catch (Exception e) { e.printStackTrace(); }
-------------------------------------------------
and got the exception
////////////////////////////////////////////////////////
java.sql.SQLException: executeUpdate can't return a result set
at net.sourceforge.jtds.jdbc.TdsStatement.executeUpda te(Unknown Source)
////////////////////////////////////////////////////////
What will be the problem here ?
Is it bcos of any time out ?
Please help !!!
Thanks
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Mar 12, 2007
I already added the the COM Component: Microsoft ADO ext. 2.8 for DLL and Security
Dim jro1 As JRO.JetEngine
jro1 = New JRO.JetEngine
jro1.CompactDatabase("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C: estDB.mdb;Jet OLEDB:Database Password=test", _
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Backup estDB.mdb;Jet OLEDB:Engine Type=4;Jet OLEDB:Database Password=test")
Error:
Retrieving the COM class factory for component with CLSID {DE88C160-FF2C-11D1-BB6F-00C04FAE22DA} failed due to the following error: 8007007e.
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Jun 19, 2000
Hi:
Can anybody tell me the advantage and disadvantage to use NT security for SQL Server 7.0? For a corporation with 400 users, what is your recommendation for the SQL Server security management. Thanks.
Joan
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Jul 30, 2004
What's the better security to use? Currently I'm always registering using the Windows authentication. When I'm trying to register using SQL authentication I always get "Login failed for user 'sa'" error....
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Apr 6, 2007
I have just recovered data from a hard drive crash. I installed a fresh copy of Windows Server 2003 with sp2. Have SQL Standard Running with sp2, and VS 2005 standard running sp1.
I have several webs on this server, was able to get most up and running fine, but one web and database cannot make the connection after recovery. I had to reapply permissions and folder security to all webs, and change provided dbo privaledges to network_services. However I am still getting the following error:
Server Error in '/bpe' Application.--------------------------------------------------------------------------------
The EXECUTE permission was denied on the object 'aspnet_CheckSchemaVersion', database 'Fitness1stDb', schema 'dbo'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: The EXECUTE permission was denied on the object 'aspnet_CheckSchemaVersion', database 'Fitness1stDb', schema 'dbo'.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SqlException (0x80131904): The EXECUTE permission was denied on the object 'aspnet_CheckSchemaVersion', database 'Fitness1stDb', schema 'dbo'.] System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +857354 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +734966 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1838 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +149 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +886 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +132 System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +415 System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +135 System.Web.Util.SecUtility.CheckSchemaVersion(ProviderBase provider, SqlConnection connection, String[] features, String version, Int32& schemaVersionCheck) +367 System.Web.Security.SqlMembershipProvider.CheckSchemaVersion(SqlConnection connection) +85 System.Web.Security.SqlMembershipProvider.GetPasswordWithFormat(String username, Boolean updateLastLoginActivityDate, Int32& status, String& password, Int32& passwordFormat, String& passwordSalt, Int32& failedPasswordAttemptCount, Int32& failedPasswordAnswerAttemptCount, Boolean& isApproved, DateTime& lastLoginDate, DateTime& lastActivityDate) +1121 System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved, String& salt, Int32& passwordFormat) +105 System.Web.Security.SqlMembershipProvider.CheckPassword(String username, String password, Boolean updateLastLoginActivityDate, Boolean failIfNotApproved) +42 System.Web.Security.SqlMembershipProvider.ValidateUser(String username, String password) +83 System.Web.UI.WebControls.Login.OnAuthenticate(AuthenticateEventArgs e) +160 System.Web.UI.WebControls.Login.AttemptLogin() +105 System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +99 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35 System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +115 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +163 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
--------------------------------------------------------------------------------Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42
What procedure should I follow to fix this issue?
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Jul 13, 2007
Does anyone have a code snippet for dumping the actual sql a command would be running?
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Sep 7, 2007
it gives error while calling a sql stored procedure as "INPUT STRING WAS NOT IN A CORRECT FORMAT". I am providing the code here.public void get_issid(string cse_email, string tech_email, string subject, string issue_details, string response, string solv_date, out int issid)
{
// Establish ConnectionSqlConnection oConnection = GetConnection();
// build the commandSqlCommand oCommand = new SqlCommand("get_issid", oConnection);
oCommand.CommandType = CommandType.StoredProcedure;
// ParametersSqlParameter paracse_email = new SqlParameter("@cse_email", SqlDbType.VarChar, 50);
paracse_email.Value =cse_email;
oCommand.Parameters.Add(paracse_email);
SqlParameter paratech_email = new SqlParameter("@tech_email", SqlDbType.VarChar,50);
paratech_email.Value = cse_email;
oCommand.Parameters.Add(paratech_email);SqlParameter parasubject = new SqlParameter("@subject", SqlDbType.VarChar, 50);
parasubject.Value = subject;
oCommand.Parameters.Add(parasubject);SqlParameter paraissue_details = new SqlParameter("@issue_details", SqlDbType.VarChar, 500);
paraissue_details.Value = issue_details;
oCommand.Parameters.Add(paraissue_details);SqlParameter pararesponse = new SqlParameter("@response", SqlDbType.VarChar, 500);
pararesponse.Value = response;
oCommand.Parameters.Add(pararesponse);SqlParameter parasolv_date = new SqlParameter("@solv_date", SqlDbType.DateTime);
parasolv_date.Value = solv_date;
oCommand.Parameters.Add(parasolv_date);SqlParameter paraissid = new SqlParameter("@issid", SqlDbType.Int);paraissid.Direction = ParameterDirection.Output;
oCommand.Parameters.Add(paraissid);
try
{
oConnection.Open();
oCommand.ExecuteNonQuery();issid = int.Parse(paraissid.Value.ToString());
}catch (Exception oException)
{throw oException;
}
finally
{
oConnection.Close();
}
}
the stored procedure is:
create proc [dbo].[get_issid](@tech_email varchar(50), @cse_email varchar(50),@subject varchar(50),@issue_details varchar(500),@response varchar(500),@solv_date datetime, @issid int output)
as
select @issid=tech_response.issue_id from tech_response,issue_details where tech_response.tech_email=@tech_email and tech_response.cse_email=@cse_email and tech_response.subject=@subject and tech_response.issue_details=@issue_details and response=@response and solv_date=@solv_date and tech_response.issue_id=issue_details.issue_id
requested to help in this
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Nov 14, 2007
I'm unsure how to handle an SQL Exception correctly when the database is unavailable/offline.
I have my aspx file with the C# code-behind, but all of the SQL stuff is done in a separate code file in the App_Code directory.E.g.
CODE-BEHINDDatabaseModifier.deleteUser(username);
DATABASEMODIFIER.cspublic static void deleteUser(string username){ SqlConnection conn = SqlLogin.SqlConnect; SqlCommand command = new SqlCommand("DELETE FROM <table> WHERE Username = '" + username + "'", conn); conn.Open() command.ExecuteNonQuery(); conn.Close()}
Now, that code works perfectly, however if the database I'm connecting to is offline, an SQLException is thrown and because the SQL is handled in my DatabaseModifier class, I'm not sure how to handle it correctly.If I use a Try/Catch block in my code-behind, it doesn't get thrown because the error occurs in my DatabaseModifier class. If I use a Try/Catch block in my DatabaseModifier class, what can I put in the catch block that will inform the user of the database being offline and/or how can I perform a url redirection?
Any help is greatly appreciated.
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Nov 21, 2007
Hi All,
Currently i am working on some web application, and facing some exceptions. Actually I am throwing exception from DB functions in some of cases, and then displaying error.aspx (custom error page). It is working fine.
But when i change language of browser from english to any other language, first time my custom error page comes, but afterwards, following error page comes:
Server error in '/sampletest' applicationException of Project.module.myException is thrown.
Please help if any idea for same.
Please also let me know whether i have to kept lots of aspx files for different types of exception or messages.
Thanks In AdvanceArnold
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Mar 25, 2008
Protected Sub detailsview1_ItemDeleting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewDeleteEventArgs)
Dim label2 As Label = CType(detailsview1.FindControl("label2"), Label)
Try
Catch sqlEx As SqlClient.SqlException
If sqlEx.Message.Contains("DELETE statement conflicted with COLUMN REFERENCE") Then
label2.Visible = True
label2.Text = "You cannot delete this Agent Type as it has a call weighting assigned to it, remove the weightings before you try to delete it"
e.Cancel = True
End If
End Try
End Sub Hi, Im using vb.net sql2005 and visual studio 2005
I have 2 tables which have a foregin key relationship. When i try to delete information from within one of my aspx pages it rightly comes up with an application errror, something along the lines of
DELETE statement conflicted with COLUMN REFERENCE constraint 'FK_callScore_agentType'. The conflict occurred in database 'Merlin_####', table 'callScores', column 'typeID'.The statement has been terminated.
I have looked around and can see people talking about using a try catch excpetion however i need to know how id implement this using the detailsview1_itemdeleting event. Ive never used this before and havent found a decent tutorial to help.So far i have this code but im stuck as im not sure that this is correct but more importantly what i put in the try method. Protected Sub detailsview1_ItemDeleting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewDeleteEventArgs)
Dim label2 As Label = CType(detailsview1.FindControl("label2"), Label)
Try
(WHAT GOES HERE)
Catch sqlEx As SqlClient.SqlException
If sqlEx.Message.Contains("DELETE statement conflicted with COLUMN REFERENCE") Then
label2.Visible = True
label2.Text = "You cannot delete this Agent Type as it has a call weighting assigned to it, remove the weightings before you try to delete it"
e.Cancel = True
End If
End Try
End Sub Your help would be greatly appreciated
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