XML Parameter In Sqlcommand
Mar 6, 2007
I created an xmldocument which I would like to insert in a db field with the data type XML.
The following code is giving me the error:
System.Data.SqlClient.SqlException: XML parsing: line 1, character 38, unable to
switch the encoding
SqlCommand cmdUpdate = new SqlCommand("sp_AddHistory", sqlConnection);
cmdUpdate.CommandType = CommandType.StoredProcedure;
cmdUpdate.Parameters["@FieldsChanged"].Value = xmlDoc.innerXML; // don't know whether this is good
cmdUpdate.ExecuteNonQuery();
innerXML:
<?xml version="1.0" encoding="utf-8"?>
<Fields>
<Field>
<FieldName>comp_Area</FieldName>
<OldValue>Area 52</OldValue>
<NewValue>Area 51</NewValue>
</Field>
</Fields>
The XML seems fine.. any ideas?
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Jun 3, 2008
I'm trying to build an SQL string that should look like this when executed:
UPDATE [Table] SET Active = 'False' WHERE ID IN (3, 4, 5, 6, 7, etc.)
I'm using the convention (in code behind):SqlCommand cmd = new SqlCommand("UPDATE [Table] SET Active = 'False' WHERE ID IN (@TheIDs)", connection);cmd.Parameters.Add("TheIDs", SqlDbType.Text).Value = theIDsAsAnArrayList;
But logically enough I cannot insert them as a text string as they have to be integers seperated by commas.
Question: How can I convert an Array of integers into ... well, a string without the quotes, if you know what I mean?
As it cannot end up like this: UPDATE [Table] SET Active = 'False' WHERE ID IN ("3, 4, 5, 6, 7, etc.")
Note the quotes around the integers.
Any hints on doing this with security in mind are welcome. I know I can concatenate the whole lot as strings, but this is unsecure, so I'm not going for that approach.
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Aug 27, 2007
Hello,
Newbee here
64 bit SQL 2005 running on Windows Server 2003 X64
I have an exececute SQL task (in the control flow obviously)
SELECT MAX(last_update) AS OrdersLastUpdateFROM orders
This task executes successfully and I can see that my user variable called "User:tmOrdersLastUpdate" populates correctly in the "variables" pane.. ALL GOOD.
The next step of the Control flow is a dataflow task
Details
DataFlow Source = DataReader Source (MySQL .NET connector)
DataFlow Dest = local SQL Server OLE DB.
In the DataFlow Source the DataReader SQLCommand property is
Select * from orders where last_update >= @User:tmOrdersLastUpdate
I've tried every conceivable permutation and I can't get SSIS to itnerpret the variable as such...it always gets passed to the server as a literal.
How do I pass a user-defined global variable to the WHERE clause in a DataRader object?
Thanks
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Aug 8, 2007
I use SQL Server 2005 Developer. I failed to search the records by using SQLCommand Paramater. Please find the code below.
However, when I hardcode like LIKE '%sudoku%' , it works. Could aynone help?
Thanks,
Andy.private bool searchProducts(string keywords)
{
.......
command.CommandText = "SELECT Product.ProductID, Product.Name, Product.Image, ProductPrice.Price, ISNULL(SpecialProduct.PromoDiscount,0) as PromoDiscount FROM Product INNER JOIN ProductPrice ON Product.ProductID = ProductPrice.ProductID LEFT OUTER JOIN SpecialProduct ON Product.ProductID = SpecialProduct.ProductID WHERE Product.Name LIKE '%@keywords%' ";
command.Parameters.Add("@keywords", SqlDbType.VarChar, 100);
command.Parameters["@keywords"].Value = keywords;
.............
}
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Sep 21, 2006
Hi,I'm new to ASP.NET, and am currently looking into XML.I'm trying to write XML using data from an SQL Server 2000 table. But I seem to be getting the following error regarding the SQL Server connection:Compiler Error Message: CS1502: The best overloaded method match for 'System.Data.SqlClient.SqlCommand.SqlCommand(string, System.Data.SqlClient.SqlConnection)' has some invalid argumentsSource Error:Line 23: {
Line 24: SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter();
Line 25: mySqlDataAdapter.SelectCommand = new SqlCommand(queryString, connString);
Line 26: mySqlDataAdapter.Fill(myDataSet);
Line 27: return myDataSet;Source File: c:InetpubwwwrootmappingcreateGeoRSSFile.aspx.cs Line: 25 This is my code:using System;
using System.Data;
using System.Data.SqlClient ;
using System.Configuration;
using System.Collections;
using System.Text;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;
public partial class createGeoRSSFile : System.Web.UI.Page
{
protected void Page_Load(object sender, DataSet myDataSet, EventArgs e)
{
string connString = "server=SQLSERV1;database=Historical_Statistics;UID=dbuser;PWD=Password";
string queryString = "SELECT Town, PostCode, Latitude, Longitude FROM UKPostCodes";
using (SqlConnection mySqlConnection = new SqlConnection(connString))
{
SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter();
mySqlDataAdapter.SelectCommand = new SqlCommand(queryString, connString);
mySqlDataAdapter.Fill(myDataSet);
return myDataSet;
}
// Create a new XmlTextWriter instance
XmlTextWriter writer = new XmlTextWriter(Response.OutputStream, Encoding.Unicode);
// Start writing!
writer.WriteStartDocument();
writer.WriteStartElement("item");
// Creating the <town> element
writer.WriteStartElement("town");
writer.WriteElementString("PostCode",myDataSet .Tables[1].Columns("PostCode"));
writer.WriteElementString("geo:lat",myDataSet.Tables[1].Columns("Latitude"));
writer.WriteElementString("geo:lon", myDataSet.Tables[1].Columns("Longitude"));
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Flush();
writer.Close();
}
}What seems to be causing this error?Thanks.
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Feb 10, 2008
Hi
Is it possible To pass an SQL command to a ASp.net web service as system.data.SQLclient.sqlcommand?
That means is ispossible to pass the actuall sql command instead of just the string?
If yes how can you do that??
Cheers
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Jan 8, 2007
Hi guys. I'm having trouble declaring an sqlcommand. What I want to do is declare a global sqlcommand and I would want this sqlcommand to vary depending on the conditions on my page_load.
Here's the code....
Dim p_s_syounin2 As New SqlCommand
Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
If (Session("syozokubu_id") = 20) And (Session("syozokuka_id") = 21) And ((Session("kaikyuu_id") = 23)) Then
p_s_syounin2 = ("INSERT INTO (p_s_syounin2) SELECT syain_hnm FROM TR_syainID WHERE TR_syainID.syozokubu_id=20 AND TR_syainID.syozokuka_id=21 AND TR_syainID.kaikyuu_id=23, cnn") '''' THIS DOES NOT WORK!
End If
End Sub
p_s_syounin2 .ExecuteNonQuery()
What is the correct way of declaring p_s_syounin2?
Thanks.
Best Regards,
Audrey
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Oct 19, 2006
Is it ok to re-use a SqlCommand object? In a method, I am executing 2 separate parameterized sql statements. Before I run the second, I will clear the command objects parameters.(command.parameters.clear()) I'm just checking to see if it is good coding practice or not. thanks,SC
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May 10, 2007
Hi! I need to know what can I do to use a variable in the WHERE condition of the sqlcommand as I show you: current_user = User.Identity.Name
Dim cmd As New SqlCommand("SELECT [id_usuario], [nombre], [apellidos], [telefono], [empresa] FROM [usuario] WHERE [id_usuario] = current_user", cn) Obviously it doesn't work and I need your help. Thanks.
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Oct 17, 2007
Hello,
I am trying to insert a value into a specific row in a table. The error comes from the myCommand2 statement but i don't know how to solve it. Please help!
My code is as follows:SqlCommand myCommand = new SqlCommand("select count(*) from updatetable", myConnection);
myReader = myCommand.ExecuteReader();
while (myReader.Read())
int count = myReader.GetInt32(0);
SqlCommand myCommand2 = new SqlCommand("insert into interface (Total) where description = 'Graphicads' value ( " + count + ")", myConnection2);myCommand2.CommandType = CommandType.Text;
myCommand2.ExecuteNonQuery();
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Oct 26, 2007
Hi,When using the following controls....System.Data.SqlClient.SqlConnection System.Data.SqlClient.SqlCommandIf I want to change my SQL command and execute the query once again what cleanup do I need to do first?Do I need close and dispose the SqlConnection?Do I need to dispose the SqlCommand?Can I use the SqlConnection for more than one SqlCommand?Thanks,Scott
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Nov 23, 2007
Hello all, when I write my CommandText, It displays it as insert into videos values (127.0.0.1, 4000, 434), which the ip address is sent int as a string, put i keep getting an error, and I think it is because it is wanting an string, but it is sending in these "." or something, anyways heres my method, I dont know how I can add " " around the ip when i pass it in, since it is a string. thanks.
1 [WebMethod]
2 public void Register(string ip, int port, int[] handles)
3 {
4 SqlConnection dbConn = new SqlConnection(connStr);
5 SqlCommand comm = new SqlCommand();
6 comm.Connection = dbConn;
7 dbConn.Open();
8 for (int i = 0; i < handles.Length; i++)
9 {
10 comm.CommandText = "insert into videos values (" + ip + ", " + port + ", " + handles[i] + ")";
11 comm.ExecuteNonQuery();
12 }
13 dbConn.Close();
14 }
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Mar 12, 2008
Using SqlCommand, this is how I am updating a database table:
Sub UpdateDataGrid(obj As Object, ea As DataGridCommandEventArgs) strSQL = "UPDATE Basket SET Quantity = Qty, Total = TotAmt WHERE BasketID = BID AND ProductID = PID" sqlCmd = New SqlCommand(strSQL, sqlConn) With sqlCmd .Parameters.Add("Qty", SqlDbType.Int).Value = CInt(iQty) .Parameters.Add("TotAmt", SqlDbType.Money).Value = CInt(iQty) * CType(ea.Item.FindControl("lblPrice"), Label).Text .Parameters.Add("BID", SqlDbType.VarChar, 50).Value = strBasketID .Parameters.Add("PID", SqlDbType.VarChar, 50).Value = CType(ea.Item.FindControl("lblID"), Label).Text End With sqlConn.Open() sqlCmd.ExecuteNonQuery() sqlConn.Close()End Sub
But the above code generates the following error pointing to the red colored line in the above code:
Invalid column name 'BID'.Invalid column name 'PID'.
BID & PID are not the column names in the actual database table but can't it be done in the way I have done above? In fact, Qty & TotAmt are not the column names in the actual database table as well; so why isn't the error pointing to Qty & TotAmt as they will be evaluated before BID & PID, if I am not mistaken?
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Apr 15, 2008
How can I check if the ( SqlCommand ) return empty values
Can some one write code for this, I want know it is return Null values or not
thanx ....
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Feb 19, 2006
I want to do something like the following but I get an error: Object reference not set to an instance of an object. SqlConnection sqlConnection = new SqlConnection("server=xxxxx"); SqlCommand [] cmd = new SqlCommand[3]; Object returnValue; cmd[0].CommandText = "DO QUERY"; cmd[1].CommandText = "DO QUERY"; cmd[2].CommandText = "DO QUERY"; cmd[3].CommandText = "DO QUERY"; } sqlConnection.Open();int i = 0;while(i<4){ cmd[i].CommandType = CommandType.Text; cmd[i].Connection = sqlConnection; cmd[i].ExecuteNonQuery(); returnValue[i] = cmd[i].ExecuteScalar();i++} sqlConnection.Close();How should I do the followingThanks
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Mar 7, 2006
How to test @au_lname's value sends to the following following sql command?
Dim MyCommand As New SqlCommand("UPDATE [authors] SET [au_lname] = @au_lname", MyConnection)MyCommand.Parameters.Add(New SqlParameter("@au_lname", SqlDbType.NVarChar)).Value = me.au_lname.text
I tried to print the "MyCommand.CommandText.ToString" but only get UPDATE [authors] SET [au_lname] = @au_lname with no value in the command text.
Thanks!
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May 4, 2006
Is there documentation on what ExecuteScalar() will return if the SQL statement is returning an image?
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May 17, 2006
Hi:
I am using sqlcommand.parameters.add() and up to 74 parameters for one sqlcommand, it gets the error "too many parameters for the sqlcommand", I wonder if someone know is there limitation of the paramters that I can pass to sqlcommand? If so, how many parameters I can pass to the sqlcommand at one time?
thank u in adv.
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May 30, 2006
Hello,I was trying to do the following: Dim cmd As SqlCommand Dim objConnection As SqlConnection objConnection = New SqlConnection = Web.configwhere the We.config is where my connection string is set. but I get a sintax error in the Web.config line.is it possible to asign the value of the web.config content to the new sql connection?thanks for any suggestions.
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Aug 1, 2006
I am trying to add a DateTime? parameter to SqlCommand. It works when the variable has a value, but when its null, an exception gets thrown saying that parameter was not supplied.What is causing this error?
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Jan 29, 2007
Hi
Just a doubt: s it possible to write an ado.net code that uses a sqldataadpter object and a sqlcommand object ( BOTH OBJECTS, IS IT POSSIBLE?) to retrieve data from the database by calling a stored procedure.
Thanks a lot
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May 18, 2007
Can't seem to pass a variable to the sql statement. I'd appreciate any help. I'm trying to pass pColName to CommandText = "ALTER TABLE tb_roomInfo ADD @rColName varchar(50);";Doesn't seem to work though. CODE: [WebMethod] public string addCol(string pColName) { SqlConnection cnn = new SqlConnection(connString); try { cnn.Open(); SqlCommand cmd = new SqlCommand(); cmd.Connection = cnn; cmd.CommandText = "ALTER TABLE tb_roomInfo ADD @rColName varchar(50);"; SqlParameter rColName = new SqlParameter("@rColName", pColName); cmd.Parameters.Add(rColName); int i = cmd.ExecuteNonQuery(); cnn.Close(); return "Insert Successful"; } catch { return "Insert Unsuccessful"; } }
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Oct 16, 2007
With VS2005, there is a new component SqlDataSource, <asp:SqlDataSource ID="SqlDataSource1" runat="server"></asp:SqlDataSource> Then you can assign SP and bind datasource to a get data for this component in .NET code:SqlDataSource1.SelectCommand = "spName"SqlDataSource1.SelectCommandType = SqlDataSourceCommandType.StoredProcedure SqlDataSource1.ConnectionString = Comm.connString There is no way to set sqlcommand timeout for this stored procedure like SqlClient.SqlCommand. How can I do this?
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Jan 23, 2008
Hi,
I would like to know how I can retrieve the ID (Primary key) of the row I just inserted with a sqlcommand(text not stored procedure).
Thx
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Mar 24, 2008
Hi, I've come from desktop to web (say no more?)
I'd like to fire a sqlCommand.StatementCompleted event in ASP.NET & use the sender argument to retrieve the output of a stored proc.
The command is in a button event. The event handler += is also set up in the same button event. Naturally the event handler proc is separate as its own procedure
In the event handling procedure, I cast the sender arg. to an SQLCommand object & try to extract the value of the output parameter.
When I try to do this I get a "No reference set to object" error raised in . Is this because there was a post back after the command completed & the Command object lost its state? If so, what would be the best way to retain the parameters value? Using session state or Profile?
Any help would be greatly appreciated
below is cut down code as to what I'm doing:protected void Button1_Click(object sender, EventArgs e)
{
SqlCommand cmd = new SqlCommand();
cmd.StatementCompleted += new StatementCompletedEventHandler(c_StatementCompleted); cn.Open(); cmd.ExecuteNonQuery(); cn.Close();
}
void c_StatementCompleted(object sender, StatementCompletedEventArgs e)
{
// get an error here
string result = ((SqlCommand)sender).Parameters["returnPrm"].Value.ToString();
}
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Mar 27, 2008
I try to get the value return from GetRandomPosition StoredProc, and it throws a statement saying incorrect syntax.
Error:
Line 1: Incorrect syntax near 'GetRandomPosition'.
Mark up:
myPuzzleCmd.Execute is used in Classic ASP and it works just fine.
I tried to subsitute with ExecuteReader / ExecuteScalar / ... etc, none of them fix it.
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Mar 31, 2008
Hi Dear Sir,I have some problem:SqlCommand.CommandTimeout not support.My SQL Query: public static List<Subject> GetAllSpecificUrlSubject(int memberId) {
string sql = string.Concat("SELECT distinct S.subject_id as 'id',
cast(S.subject_raw as varchar(8000)) as 'subject' FROM STATEMENT
S,Custom_Blogs B INNER JOIN onsurvey.member_custom_blogs M ON
B.Blogs_ID=M.Blogs_Id where M.MemberId="+ memberId +" and
cast(S.blog_url as varchar(8000)) like '%'+ cast(B.Url as
varchar(8000)) COLLATE SQL_Latin1_General_CP1_CI_AS +'%' group by
S.Subject_Id,cast(S.Subject_Raw as varchar(8000))"); List<Subject> list; using (SqlConnection conn = OLSUtils.DBUtils.SqlConnectionUtils.GetNewConnection()) { using (SqlCommand cmd = conn.CreateCommand()) { cmd.CommandText = sql; cmd.CommandType = CommandType.Text; //cmd.CommandTimeout = 300; conn.Open();
cmd.CommandTimeout = 300;
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Apr 2, 2008
what property should i assign to myPuzzleCmd2 ?
myConnection.Open()
Dim myPuzzleCmd2 As New SqlCommand("GetRandomCode", myConnection)
myPuzzleCmd2.CommandType = CommandType.StoredProcedure
Dim retLengthParam As New SqlParameter("@Length", SqlDbType.TinyInt, 6)
retLengthParam.Direction = ParameterDirection.Input
myPuzzleCmd2.Parameters.Add(retLengthParam)
Dim retRandomCode As New SqlParameter("@RandomCode", SqlDbType.VarChar, 30)
retRandomCode.Direction = ParameterDirection.Output
myPuzzleCmd2.Parameters.Add(retRandomCode)
Try
Dim reader As SqlDataReader = myPuzzleCmd2.ExecuteReader()
myPuzzleCmd.ExecuteNonQuery()Catch ex As Exception
myPuzzleCmd2 = Nothing
Session.Remove("RandomCode")
HttpContext.Current.Session("RandomCode") = myPuzzleCmd2("@RandomCode") < --------- Over here
Finally
myConnection.Close()
End Try
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Jun 21, 2004
when i push a button my datagrid doesn't show up. please help this is my code. I only try to execute one of the sql command and when i push the button it just redirects me to my homepage.
Private Sub btnbid_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbid.Click
Dim conn As New SqlConnection((Application("SQL_Connection_String")))
conn.Open()
Dim cmdbid As New SqlCommand("insert into Bids (CustID,ItemCode,BidAmount) values (@CustID,@ItemCode,@BidAmount)", conn)
cmdbid.Parameters.Add("@CustID", SqlDbType.Int, 4)
cmdbid.Parameters("@CustID").Value = Session("CustID")
cmdbid.Parameters.Add("@ItemCode", SqlDbType.Int, 4)
cmdbid.Parameters("@ItemCode").Value = CInt(Request.QueryString("Id"))
cmdbid.Parameters.Add("@BidAmount", SqlDbType.Decimal, 9)
cmdbid.Parameters("@BidAmount").Value = CDec(txtbidamount.Text)
Dim cmdhighbid As New SqlCommand("update items set Highestbid=@BidAmount,HighestBidder=@bidder where ItemCode=@ItemCode and Highestbid<@BidAmount", conn)
cmdhighbid.Parameters.Add("@BidAmount", SqlDbType.Decimal, 9)
cmdhighbid.Parameters("@BidAmount").Value = CDec(txtbidamount.Text)
cmdhighbid.Parameters.Add("@bidder", SqlDbType.Int, 4)
cmdhighbid.Parameters("@bidder").Value = Session("CustID")
cmdhighbid.Parameters.Add("@ItemCode", SqlDbType.Int, 4)
cmdhighbid.Parameters("@ItemCode").Value = Request.QueryString("Id")
Try
cmdbid.ExecuteNonQuery()
lblbidstatus.Text = "Bid Inserted Successfully!! Good Luck!!!"
Catch ex As Exception
lblbidstatus.Text = ex.Message
End Try
btnbid.Enabled = False
conn.Close()
End Sub
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Aug 12, 2004
Hi
I have an asp.net [c#] page that queries a database which worked fine until I entered a new field called VSReferenceNumber.
The error message suggest there is something wrong with the sql string, but for the life of me I can't see why it is wrong.
I believe the problem is somewhere here:
SqlString += "VSReferenceNumber = '" + VSReferenceNumber.Replace("'", "''") + "', ";
Any help would be most appreciated.
Many thanks in advance
Regards
Miles
The Error is::
System.Data.SqlClient.SqlException: Line 1: Incorrect syntax near 'VSReferenceNumber'. at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at ASP.workingdatagrid2_aspx.myDataGrid_Update(Object Sender, DataGridCommandEventArgs e) in C:Inetpubwwwrootuapworkingdatagrid2.aspx:line 64
Here's the code::
<script runat="server">
//public string ConnString = "server=atw_data01;database=UAP;uid=atw_cheryl.theobald;pwd=nudibranch;";
public string ConnString = "Server=(local); user id=sa;password=;initial catalog = UAP;";
void BindData()
{
//-- Using the Try statement, we attempt to connect to our
//-- database, execute a SqlDataAdapter to store our data,
//-- populate a dataset and then bind that dataset
//-- to our DataGrid.
try
{
SqlConnection SqlConn = new SqlConnection(ConnString);
string SqlString = "SELECT [uapID], [DealershipName], [AutoExchangeClientID], [VSReferenceNumber] FROM uapForm";
SqlDataAdapter SqlComm = new SqlDataAdapter(SqlString, SqlConn);
DataSet customerData = new DataSet();
SqlComm.Fill(customerData, "uapForm");
myDataGrid.DataSource = customerData;
myDataGrid.DataBind();
SqlConn.Close();
SqlComm.Dispose();
SqlConn.Dispose();
}
//-- If we are not able to connect, display a friendly error
catch (Exception e)
{
ErrorLabel.Text = "Not able to connect to database. See description below: <P>";
ErrorLabel.Text += e.ToString();
}
}
void myDataGrid_Update (object Sender, DataGridCommandEventArgs e)
{
//-- Take the data from each textbox in our editable item
//-- and assign that text to a string variable
string uapID = Convert.ToString(e.Item.Cells[0].Text);
string DealershipName = ((TextBox) e.Item.Cells[1].Controls[0]).Text;
string AutoExchangeClientID = ((TextBox) e.Item.Cells[2].Controls[0]).Text;
string VSReferenceNumber = ((TextBox) e.Item.Cells[3].Controls[0]).Text;
//-- Again, using the Try statement, attempt to connect to our database
//-- and make an update with the data from our datagrid
SqlConnection SqlConn = new SqlConnection(ConnString);
try
{
SqlConn.Open();
string SqlString = "UPDATE uapForm ";
SqlString += "SET DealershipName = '" + DealershipName.Replace("'", "''") + "', ";
SqlString += "AutoExchangeClientID = '" + AutoExchangeClientID.Replace("'", "''") + "' ";
SqlString += "VSReferenceNumber = '" + VSReferenceNumber.Replace("'", "''") + "', ";
SqlString += " WHERE uapID = '" + uapID + "'";
SqlCommand SqlComm = new SqlCommand(SqlString, SqlConn);
SqlComm.ExecuteNonQuery();
SqlConn.Close();
SqlComm.Dispose();
SqlConn.Dispose();
}
//-- If for some reason we cannot connect, display a friendly error.
catch (Exception exc)
{
ErrorLabel.Text = "Not able to connect to database. <br>Please See description below:<P> <P>";
ErrorLabel.Text += exc.ToString();
}
//-- Remove the edit focus
myDataGrid.EditItemIndex = -1;
//-- Rebind our datagrid
BindData();
}
void myDataGrid_Cancel(object Sender, DataGridCommandEventArgs e)
{
//-- Remove the edit focus
myDataGrid.EditItemIndex = -1;
//-- Rebind our datagrid
BindData();
}
void myDataGrid_Edit(object Sender, DataGridCommandEventArgs e)
{
//-- Set the edit focus to the item that was selected
myDataGrid.EditItemIndex = (int) e.Item.ItemIndex;
//-- Rebind our datagrid
BindData();
}
void Page_Load (object Sender, EventArgs e)
{
//-- If the page is not posting back, bind our datagrid
if (!Page.IsPostBack)
{
BindData();
}
}
</script>
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Oct 3, 2005
I am just wondering if it is possible using SQL Server 2000 to have multiple SQL Statements executed with one sqlComm.ExecuteNonQuery(); call?
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Nov 30, 2005
i am inserting into a table using the sqlCommand parameters property.for example i do :sqlCmd.Parameters.Add("@date_birth_hebrew", Request("date_birth_hebrew"))the date_birth_hebrew is not a must and has allow null value in the db.when the user submits the form and leaves the textbox of date_birth_hebrewnot field out and i try to add this value to parameters as the above code i recive :Prepared statement '(@date1 datetime,@first_name nvarchar(4000),@last_na' expects parameter @date_birth_hebrew, which was not supplied. as i understand beacuse the Request("date_birth_hebrew") is empty the sqlCommand.Parameters acts as no value entered.i hae solved this problem by on each value checking thatif Parameters Request("date_birth_hebrew")="" thensqlCmd.Parameters.Add("@date_birth_hebrew", "")but isnt there any another way?thnaks in advancepeleg
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Feb 23, 2006
I was writing a simple sign up class the other day and coded
a Register method with a SqlCommand and Parameters like this:
SqlCommand sqlCmd =
new SqlCommand("Regester", sqlConn);
sqlCmd.CommandType =
CommandType.StoredProcedure;
sqlCmd.Parameters.Add("@UserName", SqlDbType.VarChar, 55);
sqlCmd.Parameters["@UserName"].Value = userName;
sqlCmd.Parameters.Add("@Firstname", SqlDbType.VarChar, 55);
sqlCmd.Parameters["@Firstname"].Value = fName;
etc...
Seems pretty straight forward right? A senior coder writes his params like this
SqlParameter pUserName
= new SqlParameter("@UserName", SqlDbType.VarChar, 55);
pUserName .Value =
address2;
sqlCmd.Parameters.Add(pUserName );
SqlParameter pFName =
new SqlParameter("@FName", SqlDbType.VarChar, 55);
pFName .Value = city;
sqlCmd.Parameters.Add(pFName );
etc...
What is the benefit, if any, of creating a new instance of SqlParameter for
each value passed to the sp?
How could I easily test the code for speed and resource use besides tracing?
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