ADO.NET, SqlParameter, And NULL
Feb 13, 2007
Im trying to execute the following:
mySqlCmd.Parameters.Add("@Parent_ID", SqlDbType.Int).Value = (sectionUpdate.iSection.ParentID == 0 ? DBNull.Value : myParentID);
However i get an error that Null cant be converted to Int. Is there any way i can uyse the SqlParameters approach but pass in a Null value for the field or must i wrap the entire connection within a IF/ELSE statement one containing a hard-coded NULL within the query and the other as a standard parameter with a proper int value?
Thanks
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Jun 16, 2006
I'm using parameters to record into database like:
SqlParameter paramId_empresa = new SqlParameter("@Id_empresa", SqlDbType.Int, 4);
paramId_empresa.Value = idEmpresa;
myCommand.Parameters.Add(paramId_empresa);
And set sql server field to allow null values and default value as (null)
Trouble is I'm getting an Input string was not in a correct format. when the field is blank
Line 182:Line 183: myConnection.Open();Line 184: myCommand.ExecuteNonQuery();Line 185: myConnection.Close();Line 186: }
Thanks a lot for any help
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Jun 20, 2006
I am unable to set the value of my SqlParameter unless it is to a string.sqlCmd.Parameters.Add('@myParameter', SqlDbType.Bit).Value := false;
Setting it to false or 0 results in error: "Incompatible types: 'Object' and 'Boolean' (or 'Integer')"
I've tried to cast them as objects and that didn't work. I don't understand why something like 'false' (as a string) will.
FYI: I'm using Delphi.NET and hating it.
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Mar 26, 2007
Hi I am writing an app in flash which needs to hook up to MS SQL via asp.I need the code below to pass the var (ptodaysDate) to the sql statement. I can hard code it in and it works great but I really need to pass the var from flash.Pulling my hair out here, not much left to go.Any help greatly appreciated.---------------------------------------------- [WebMethod] public Schedule[] getSchedule(int ptodaysDate) { SqlDataAdapter adpt = new SqlDataAdapter("SELECT scheduleID, roomName, eventType,unitName,groupName,staffName,staffName2,theDate,theEnd FROM tb_schedule Where theDate >= @rtodaysDate", connString); SqlParameter rtodaysDate = new SqlParameter("@rtodaysDate", ptodaysDate); DataSet ds = new DataSet(); ArrayList al = new ArrayList(); adpt.Fill(ds); foreach (DataRow row in ds.Tables[0].Rows) { Schedule obj = new Schedule(); obj.scheduleID = (int)row["scheduleID"]; obj.roomName = (string)row["roomName"]; obj.eventType = (string)row["eventType"]; obj.unitName = (string)row["unitName"]; obj.groupName = (string)row["groupName"]; obj.staffName = (string)row["staffName"]; obj.staffName2 = (string)row["staffName2"]; obj.theDate = (string)row["theDate"]; obj.theEnd = (string)row["theEnd"]; al.Add(obj); } Schedule[] outArray = (Schedule[])al.ToArray(typeof(Schedule)); return outArray; } public class Schedule { public int scheduleID; public string roomName; public string eventType; public string unitName; public string groupName; public string staffName; public string staffName2; public string theDate; public string theEnd; }
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Feb 21, 2008
The FULL System.Data.SqlDbType reference seems unnecessary? Is there something I am doing wrong or something that should be added to Web.Config? If I try ONLY ",SqlDbType," it will not compile?
MY CODE: SqlParameter AName;
AName = myCommand.Parameters.Add("@AName",System.Data.SqlDbType.VarChar,50);
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Jul 10, 2004
Hi,
I am getting the following error:
The SqlParameter with ParameterName '@pk' is already contained by another SqlParameterCollection
If I could work out what code to post I would, but I can say that I am managing my Sql data in my code by caching small arrays of SqlParameter objects as pulled from the database. If I need to update the DB I change the cached SqlParameter and re-insert it. If I perform a SELECT I check the cache first to see if I already have the SqlParameter.
However, currently, I am experiencing the above error when performing a select, then later an update, followed by another update.
Would I be correct in saying that a SqlParameter object can only be used once for a database operation and should be discarded? Would I be correct if I said that the SqlCommand object should be discarded? I am barking up the wrong tree entirely?
Distressed in DBLand,
Matt.
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Aug 5, 2004
Is it possible to have a SqlParameter setup as an Output, and get it to return @@Identity without using a stored procedure?
I have an INSERT statement, written as TEXT in my code (at the time being, I cannot create stored procedures). I'm trying to find out how to return the created IDENTITY that was generated.
Can someone please explain to me how this works?
Thanks.
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Nov 28, 2007
hi
I am creating a stroed procedure which suppose to update an image column of the given row. I have created the same procedures before which worked fine with texts and numbers but not with Images.
this procedure get table name,row Id, column name of the image, and image data. like:
Create PROCEDURE [dbo].[spImageUpd]
(
@TableName varchar(100),
@Id int,
@ImageColName nvarchar(100),
@ImageData image
)
begin
??????
end
I tryed to use
set @sql='update '+ @TableName+ ' set '+@ImageColName + '=' + @ImageDt' + ' where Id='+ cast(@Id as nvarchar(10))
EXEC sp_executesql
@query = @sql,
@params = N'@ImageDt">N'@ImageDt Image',
@ImageDt = @ImageData
but sp_executesql just accept text as params. is it possible to fix this problem?
thank you in advance
regards
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Aug 2, 2006
I am just learning ASP.net, been reading over data grids but I am having a tough time understanding what the parameter line would be used for. I have read the MSDN regarding parameters, they seem to make sense. But the whole System.Byte(0) I cannot understand.
sqlUpdateCommand1 = new SqlCommand();
sqlUpdateCommand1.Parameters.Add(new SqlParameter("@Original_SSN", SqlDbType.VarChar, 11, ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "SSN", DataRowVersion.Original, null));
Any pointers or tutorials regarding this is much appreciated.
Thanks,
Rishi Dhupar
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Feb 6, 2005
Below I have pasted the error message, hidden form fields, function code and even the stored procedure code. I'd be most grateful if anyone can show me the error of my ways!
Thanks,
theSpike
I'm calling a stored procedure and besides several varchar fields, I'm passing two integer values (employeeID and businessID). These values come from hidden fields on a form and it's the businessID that throws the format error. I call the same stored procedure for both insert and update (the SP evaluates employeeID to decide btwn insert/update) and the insert works perfectly, but the update throws the format exception error. The only difference is that the employeeID is 0 (zero) for an insert and > 0 when it's updating. I strikes me as particularly bizzare that the line that throws the exception is the businessID, not the employeeID because the businessID is the same value for both insert and update. It's the employeeID that is subject to change.
The error:
Exception Details: System.FormatException: Input string was not in a correct format.
Source Error:
Line 147: //businessID
Line 148: SqlParameter businessID = new SqlParameter("@businessID",SqlDbType.Int,4);
Line 149: businessID.Value = Convert.ToInt32(hdnBusinessID.Value);
Line 150: businessID.Direction = ParameterDirection.Input;
Line 151: theCommand.Parameters.Add(businessID);
I'm calling the SAME function for the insert and update, the same hiddent form fields exist
<input name="hdnBusinessID" id="hdnBusinessID" type="hidden" value="1" />
<input name="hdnEmployeeID" id="hdnEmployeeID" type="hidden" value="7" />
Here's the function that get's called:
void btnAddEmployee_Click(object sender, EventArgs e) {
int intNewEmployeeID;
string connectionstring = ConfigurationSettings.AppSettings["ConnectionString"];
SqlCommand theCommand = new SqlCommand();
theCommand.CommandText = "AMS_EmployeeSave";
theCommand.Connection = new SqlConnection(connectionstring);
theCommand.CommandType = CommandType.StoredProcedure;
// Add parameters to SqlCommand
//employeeID
SqlParameter empID = new SqlParameter("@employeeID",SqlDbType.Int,4);
empID.Value = Convert.ToInt32(hdnEmployeeID.Value);
empID.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(empID);
//businessID
SqlParameter businessID = new SqlParameter("@businessID",SqlDbType.Int,4);
businessID.Value = Convert.ToInt32(hdnBusinessID.Value);
businessID.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(businessID);
//title
SqlParameter title = new SqlParameter("@title",SqlDbType.Char,5);
title.Value = txtTitle.Text.ToString();
title.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(title);
//firstname
SqlParameter firstName = new SqlParameter("@firstName",SqlDbType.VarChar,25);
firstName.Value = txtFirstName.Text.ToString();
firstName.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(firstName);
//middleName
SqlParameter middleName = new SqlParameter("@middleName",SqlDbType.VarChar,15);
middleName.Value = txtMiddleName.Text.ToString();
middleName.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(middleName);
//LastName
SqlParameter lastName = new SqlParameter("@lastName",SqlDbType.VarChar,25);
lastName.Value = txtLastName.Text.ToString();
lastName.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(lastName);
//suffix
SqlParameter suffix = new SqlParameter("@suffix",SqlDbType.Char,5);
suffix.Value = txtSuffix.Text.ToString();
suffix.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(suffix);
//email
SqlParameter email = new SqlParameter("@email",SqlDbType.VarChar,80);
email.Value = txtEmail.Text.ToString();
email.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(email);
//password
SqlParameter password = new SqlParameter("@password",SqlDbType.Char,20);
password.Value = txtPassword.Text.ToString();
password.Direction = ParameterDirection.Input;
theCommand.Parameters.Add(password);
//newEmployeeID output parameter
SqlParameter newEmployeeID = new SqlParameter("@newEmployeeID",SqlDbType.Int,4);
newEmployeeID.Direction = ParameterDirection.Output;
theCommand.Parameters.Add(newEmployeeID);
theCommand.Connection.Open();
theCommand.ExecuteNonQuery();
intNewEmployeeID = Convert.ToInt16(theCommand.Parameters["@newEmployeeID"].Value);
theCommand.Connection.Close();
if(intNewEmployeeID == -1){
lblSaveResult.Text = "There was a problem saving the employee information";
}
else if(hdnEmployeeID.Value == "0"){
lblSaveResult.Text = "New employee successfully added";
}
else{
lblSaveResult.Text = "Employee successfully updated";
}
lblSaveResult.Visible = true;
}
STORED PROCEDURE
CREATE PROCEDURE [dbo].[xxxx]
(@employeeID int,
@businessID int,
@title char(5),
@firstName varchar(25),
@middleName varchar(15),
@lastName varchar(25),
@suffix char(5),
@email varchar(80),
@password char(20),
@newEmployeeID int output)
AS
declare @alreadyExists int
-- passed in ID = 0 means they're adding a new employee so do insert
if @employeeID = 0
begin
select @alreadyExists = count(*) from dbo.AMS_employee where emp_email = @email
if @alreadyExists = 0
begin
insert into AMS_employee (emp_businessID, emp_title, emp_firstName, emp_middleName, emp_lastName, emp_suffix, emp_email, emp_password)
values (@businessID, @title, @firstName, @middleName, @lastName, @suffix, @email, @password)
select @newEmployeeID = @@identity
end
else -- there is already an employee with that email address
select @newEmployeeID = -1
end
-- passed in ID > 0 means they're updating existing employee so do update
else if @employeeID > 0
begin
update AMS_employee set
emp_title = @title,
emp_firstName = @firstName,
emp_middleName = @middleName,
emp_lastName = @lastName,
emp_suffix = @suffix,
emp_email = @email
where emp_ID = @employeeID
select @newEmployeeID = @employeeID
-- only update the password if it one was provided
if len(rtrim(@password)) > 0
begin
update AMS_employee set emp_password = @password where emp_ID = @employeeID
end
end
GO
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Mar 29, 2007
Hi,
i don't know if this is the right forum to post to, but here i go:
I'm having a problem...
I need to delete several records having as criteria their pk.
The deletion is made using SqlParameter in the code and a stored procedure on server.
as far as i know, i can do this, either using a IN list:
- build and pass the list of id's from code to the sp:
delete from tbl where attachment.id in (1,2,3)
OR
- execute a simple delete several times.
So far i tried first option, but i get errors in converting the list to ints; that is what the sql engine says.
I prefer this option because i think is faster and requires less roundtrips to the sql server.
My questions are:
1. how do i build a sane IN list?
2. is it worth to use a delete in a loop? the records that must be deleted are 5 at most, per job.
1 job can have [0..5] attachments.
Thank you,
Daniel
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Aug 2, 2006
We've got an app that is in final testing so we can't go around forcing SqlDbType.VarChar. Is there any way to make SqlParameter default to varchar if you don't explicitly set a type for a string value? It's bad for our db index usage because they're all varchar and nvarchar forces a convert_implicit messing up performance.
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Mar 23, 2007
Stored procedure:1 ALTER PROCEDURE [dbo].[insert_DagVerslag]
2 -- Add the parameters for the stored procedure here
3 @serverID int,
4 @datum datetime,
5 @ID int OUTPUT
6 AS
7 BEGIN
8 -- SET NOCOUNT ON added to prevent extra result sets from
9 -- interfering with SELECT statements.
10 SET NOCOUNT ON;
11 -- Insert statements for procedure here
12 BEGIN TRANSACTION
13 INSERT Log ( serverID, datum)
14 VALUES( @serverID, @datum)
15 COMMIT TRANSACTION
16 SET @ID = @@identity
17 END
18
Method who is calling the stored procedure and causes the error1 public void AddDagVerslag(Historiek historiek)
2 {
3 SqlConnection oConn = new SqlConnection(_connectionString);
4 string strSql = "insert_DagVerslag";
5 SqlCommand oCmd = new SqlCommand(strSql, oConn);
6 oCmd.CommandType = CommandType.StoredProcedure;
7 oCmd.Parameters.Add(new SqlParameter("@serverID", SqlDbType.Int)).Value = historiek.ServerID;
8 oCmd.Parameters.Add(new SqlParameter("@datum", SqlDbType.DateTime)).Value = historiek.Datum;
9 oCmd.Parameters.Add(new SqlParameter("@ID", SqlDbType.Int));
10
11 oCmd.Parameters["@ID"].Direction = ParameterDirection.Output;
12
13 try
14 {
15 oConn.Open();
16 int rowsAffected = oCmd.ExecuteNonQuery();
17 if (rowsAffected == 0) throw new ApplicationException("Fout toevoegen historiek");
18 oCmd.Parameters.Clear();
19 historiek.HistoriekID = System.Convert.ToInt32(oCmd.Parameters["@ID"].Value);
20
21 foreach (HistoriekDetail hDetail in historiek.LstHistoriekDetails)
22 {
23 AddDagVerslagCategorie(historiek.HistoriekID, hDetail);
24 }
25 }
26 catch (Exception ex)
27 {
28 throw new ApplicationException("Fout toevoegen historiek : " + ex.Message);
29 }
30 finally
31 {
32 if (oConn.State == ConnectionState.Open) oConn.Close();
33 }
34 }
Whats going wrong, i've added the ID parameter my ParameterCollection... so why cant it be found
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Sep 19, 2007
Hello All,
I'm having a problem tracking down why my app is not instantiating a parameter in a sqldatasource, when I'm expecting it to do so.
When the app fails, this info is displayed:
Server Error in '/' Application.--------------------------------------------------------------------------------
An SqlParameter with ParameterName @createdby is not contained by this SqlParameterCollection. 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.IndexOutOfRangeException: An SqlParameter with ParameterName @createdby is not contained by this SqlParameterCollection.
Source Error:
Line 30: Private Sub SqlDataSource1_Deleting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles SqlDataSource1.DeletingLine 31: e.Command.Parameters.Item("@createdby").Value = CType(Membership.GetUser.ProviderUserKey, Guid)Line 32: Line 33: End Sub
Source File: ...filename... Line: 31
Stack Trace:
[IndexOutOfRangeException: An SqlParameter with ParameterName @createdby is not contained by this SqlParameterCollection.] System.Data.SqlClient.SqlParameterCollection.GetParameter(String parameterName) +713105 System.Data.Common.DbParameterCollection.get_Item(String parameterName) +7 diabetes.reading.SqlDataSource1_Deleting(Object sender, SqlDataSourceCommandEventArgs e) in C:Documents and SettingsAlbertMy DocumentsVisual Studio 2005Projectsdiabetesdiabetesdiabetes
eading.aspx.vb:31 System.Web.UI.WebControls.SqlDataSourceView.OnDeleting(SqlDataSourceCommandEventArgs e) +114 System.Web.UI.WebControls.SqlDataSourceView.ExecuteDelete(IDictionary keys, IDictionary oldValues) +682 System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary oldValues, DataSourceViewOperationCallback callback) +75 System.Web.UI.WebControls.FormView.HandleDelete(String commandArg) +839 System.Web.UI.WebControls.FormView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +556 System.Web.UI.WebControls.FormView.OnBubbleEvent(Object source, EventArgs e) +95 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35 System.Web.UI.WebControls.FormViewRow.OnBubbleEvent(Object source, EventArgs e) +109 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35 System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +115 System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) +163 System.Web.UI.WebControls.LinkButton.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) +174 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
Here's the datasource:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:DiabetesOne %>" DeleteCommand="reading_delete" DeleteCommandType="StoredProcedure" > <DeleteParameters> <asp:Parameter Direction="ReturnValue" Name="RETURN_VALUE" Type="Int32" /> <asp:Parameter Name="rid" Type="Int32" /> <asp:Parameter Name="createdby" Type="Object" /> </DeleteParameters> </asp:SqlDataSource>
Here's the beginning of the stored procedure showing the parameters:
CREATE PROCEDURE [dbo].[reading_delete] @rid int,@createdby sql_variantASset nocount on;begin try...the procedural code...
Here's debugger capture, pointing to same issue:
System.IndexOutOfRangeException was unhandled by user code Message="An SqlParameter with ParameterName @createdby is not contained by this SqlParameterCollection." Source="System.Data" StackTrace: at System.Data.SqlClient.SqlParameterCollection.GetParameter(String parameterName) at System.Data.Common.DbParameterCollection.get_Item(String parameterName) at diabetes.reading.SqlDataSource1_Deleting(Object sender, SqlDataSourceCommandEventArgs e) in C:... at System.Web.UI.WebControls.SqlDataSourceView.OnDeleting(SqlDataSourceCommandEventArgs e) at System.Web.UI.WebControls.SqlDataSourceView.ExecuteDelete(IDictionary keys, IDictionary oldValues) at System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary oldValues, DataSourceViewOperationCallback callback)
I've inspected the sqldatasourcecommandeventargs command.parameters in the deleting method during debugging and could not find the parameter in the array, although I "think" it should be because it's explicitly stated in the sqldatasource parameters declarations. I see two parameters in the array, @RETURN_VALUE and @RID, both of which are expected and coincide with the declaration in the stored procedure and the sqldatasource.
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Mar 27, 2007
Hi,What I am trying to do is to get the new ID for every record is inserted into a table. I have a For...Each statement that does the loop and using the sqldatasource to so the insert. <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ myConnectionString%>">
<InsertParameters>
<asp:Parameter Name="NewID" Type="int16" Direction="output" />
</InsertParameters>
</asp:SqlDataSource> Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim sqlSelect As String
Session("Waste_Profile_Num") = 2
Session("Waste_Profile_Num2") = 5
sqlSelect = "SELECT Range, Concentration, Component_ID FROM Component_Profile WHERE (Waste_Profile_Num = " & Session("Waste_Profile_Num").ToString() & ")"
SqlDataSource1.SelectCommand = sqlSelect
Dim dv As Data.DataView = CType(SqlDataSource1.Select(DataSourceSelectArguments.Empty), Data.DataView)
For Each dr As Data.DataRow In dv.Table.Rows
sqlSelect = "INSERT INTO Component_Profile (Waste_Profile_Num, Range, Concentration, Component_ID) "
sqlSelect &= "VALUES (" & Session("Waste_Profile_Num2").ToString() & ", @Range, @Concentration, @Component_ID); SELECT @NewID = @@Identity"
SqlDataSource1.InsertCommand = sqlSelect
'SqlDataSource1.InsertParameters.Add("Waste_Profile_Num", Session("Waste_Profile_Num2").ToString())
SqlDataSource1.InsertParameters.Add("Range", dr("Range").ToString())
SqlDataSource1.InsertParameters.Add("Concentration", dr("Concentration").ToString())
SqlDataSource1.InsertParameters.Add("Component_ID", dr("Component_ID").ToString())
SqlDataSource1.Insert()
SqlDataSource1.InsertParameters.Clear()
MsgBox(Session("NewID").ToString())
Next
End Sub
Protected Sub SqlDataSource1_Inserted(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceStatusEventArgs) Handles SqlDataSource1.Inserted
Session("NewID") = e.Command.Parameters("@NewID").Value.ToString
End Sub What I have done so far is to display the new id and I am going to use that return id later. However, the first time through the loop, I am able to get the new id but not the second time. So, I wonder, how do I every single new id each time the INSERT statement is executed?STAN
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Mar 18, 2007
Error 2 'Text' is not a member of 'System.Data.SqlClient.SqlParameter'. I think this error has something to do with the lack of an Import command, anyone point me in the right direction?
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May 19, 2008
Dear All,
I have a problem while trying to update the content of my page to the database by the means of a stored procedure
string OcompConnection = ConfigurationManager.ConnectionStrings["GenUserCode"].ConnectionString;
System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(OcompConnection);
System.Data.SqlClient.SqlCommand ocmd = new System.Data.SqlClient.SqlCommand("Dealer_Insert", conn);ocmd.CommandType = CommandType.StoredProcedure;
ocmd.Parameters.Add(new SqlParameter("@UserCode"), SqlDbType.NVarChar);
ocmd.Parameters["@UserCode"] = TxtUserCode;
and also there is another error message saying that argument1: can not comvert from system.data.sqlclient.sqlparameter to string.
What am i Missing???
Eventually there is the try{open} and finally{close}
Many Thanks
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Sep 20, 2006
Hey. I need to substitute a value from a table if the input var is null. This is fine if the value coming from table is not null. But, it the table value is also null, it doesn't work. The problem I'm getting is in the isnull line which is in Dark green color because @inFileVersion is set to null explicitly and when the isnull function evaluates, value returned from DR.FileVersion is also null which is correct. I want the null=null to return true which is why i set ansi_nulls off. But it doesn't return anything. And the select statement should return something but in my case it returns null. If I comment the isnull statements in the where clause, everything works fine. Please tell me what am I doing wrong. Is it possible to do this without setting the ansi_nulls to off??? Thank you
set ansi_nulls off
go
declare
@inFileName VARCHAR (100),
@inFileSize INT,
@Id int,
@inlanguageid INT,
@inFileVersion VARCHAR (100),
@ExeState int
set @inFileName = 'A0006337.EXE'
set @inFileSize = 28796
set @Id= 1
set @inlanguageid =null
set @inFileVersion =NULL
set @ExeState =0
select Dr.StateID from table1 dR
where
DR.[FileName] = @inFileName
AND DR.FileSize =@inFileSize
AND DR.FileVersion = isnull(@inFileVersion,DR.FileVersion)
AND DR.languageid = isnull(@inlanguageid,null)
AND DR.[ID]= @ID
)
go
set ansi_nulls on
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Oct 20, 2015
In my report i have CNAME parameter , which allows null value. I checked Allow null value check box in report parameter properties.
when i preview the report , it displays checked NULL check box beside CNAME parameter . I want to give some meaningful name(i.e.ALLCustomers) to this checkbox instead of NULL.
Is it possible through SSRS designer?
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Jul 15, 2015
I have a flat file with the following columns
SampleID Rep_Number Product Protein Fat Solids
In the flat file SampleID and Product are populated in the first row only, rest of the rows only have values for Rep_Number, Protein, Fat, Solids.
SampleID and Product are blank for the rest of the rows. So my task is to fill those blank rows with the first row that has the sampleID and Product and load into the table.
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May 3, 2007
I have a report that is run on a monthly basis with a default date of null. The stored procedure determines the month-end date that it should use should it be sent a null date.
The report works fine when I tell it to create a history entry; however, when I try to add a subscription it doesn't appear to like the null parameter value. Since I have told the report to have a default value of null it doesn't allow me to enter a value on the subscription page.
Now, I suppose I could remove the parameter altogether from the stored proc, but then the users would never be able to run the report for a previous time period. Can someone explain to me why default values aren't allowed to be used on subscriptions when they seem to work fine for ad hoc and scheduled reports? This is really quite frustrating as most of my reports require a date value and default to null so that the user doesn't have to enter them for the latest data.
An internal error occurred on the report server. See the error log for more details. (rsInternalError) Get Online Help
Key cannot be null. Parameter name: key
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Nov 5, 2007
I run a stored procedure for which I have a return variable. The stored procedure returns the ID of a row in a table if it exists:
m_sqlCmd.ExecuteScalar();
The m_sqlCmd has been fed an SQLParameter with direction set to output.
When the stored proc returns, I want to test it. Now when there IS a row it returns the ID ok.
When the row doesn't exist, in my watch I have:
m_sqlParam.SqlValue with value {Null}
I can't seem to work out how to test this value out.
I've tried several things but none seem to work.
This line compiles ok, but the following runs into the IF statement as if the SqlValue is null??
if (m_sqlParam.SqlValue != null)....
{
// I'm here!! I thought the watch says this is null???
}
Sorry if this is obvious, but I can't work this one out!!
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Mar 26, 2007
Looks like there was a fix and then I read this fix is not a fix. Does anyone know how this can be rectified? Does it mean that only Windows authentiation is the only way it works. The Software is over 2 years old, there are no excuses.
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Apr 2, 2007
I am getting this error: "Cannot insert the value NULL into column 'OrderID', table 'outman.outman.Contact'; column does not allow nulls. INSERT fails." -- But my value is not null. I did a response.write on it and it show the value. Of course, it would be nice if I could do a breakpoint but that doesn't seem to be working. I'll attach a couple of images below of my code, the error, and the breakpoint error.
Server Error in '/' Application.
Cannot insert the value NULL into column 'OrderID', table 'outman.outman.Contact'; column does not allow nulls. INSERT fails.
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: Cannot insert the value NULL into column 'OrderID', table 'outman.outman.Contact'; column does not allow nulls. INSERT fails.Source Error:
Line 89: sContact.Phone = sPhone.Text.Trim
Line 90: sContact.Email = sEmail.Text.Trim
Line 91: sContact.Save()
Line 92:
Line 93: Dim bContact As Contact = New Contact()Source File: F:InetpubwwwrootOutman KnifeCheckout.aspx.vb Line: 91 Stack Trace:
[SqlException (0x80131904): Cannot insert the value NULL into column 'OrderID', table 'outman.outman.Contact'; column does not allow nulls. INSERT fails.]
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.SqlDataReader.HasMoreRows() +150
System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout) +214
System.Data.SqlClient.SqlDataReader.Read() +9
System.Data.SqlClient.SqlCommand.CompleteExecuteScalar(SqlDataReader ds, Boolean returnSqlValue) +39
System.Data.SqlClient.SqlCommand.ExecuteScalar() +148
SubSonic.SqlDataProvider.ExecuteScalar(QueryCommand qry) +209
SubSonic.DataService.ExecuteScalar(QueryCommand cmd) +37
SubSonic.ActiveRecord`1.Save(String userName) +120
SubSonic.ActiveRecord`1.Save() +31
Checkout.btnCheckout_Click(Object sender, EventArgs e) in F:InetpubwwwrootOutman KnifeCheckout.aspx.vb:91
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107
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
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Jun 28, 2004
I would drop and add the table but the data can't be deleted. So if anyone could help with the statement it would be greatly appreciated. Thanks
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Feb 26, 2004
I'm trying to set the concat... option to OFF
all the time and in all my databases
I tried this command
USE master
EXEC sp_dboption 'DatabaseName', 'concat null yields null', 'FALSE'
but it doesn't change anything
Select NULL + 'TOTO'
----> NULL
(it should be 'TOTO')
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Aug 3, 2005
hi,my structure table in database:Amount float(53) not null default 0when i try to run his script:alter table ABC alter column Amount float(53) nullit can only set the Amount to allow null, but can't set the defaultvalue to empty.anyone know how to set the field to allow null and default set toempty, no value.thanks
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May 13, 2015
It's giving me an error while I'm trying to change column value from not null to null..
'tblid' table
- Unable to modify table.
Cannot insert the value NULL into column 'ValidID', table 'Xe01.dbo.Tmp_tblid'; column does not allow nulls. INSERT fails.
The statement has been terminated.
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May 3, 2006
Hello.
I've built a sample CLR function with the following declaration....
CREATE FUNCTION GetManager(@DeptCode nvarchar(3))
RETURNS nvarchar(1000)
WITH RETURNS NULL ON NULL INPUT
AS
EXTERNAL NAME Assembly1.[ClassLibrary1.MyVBClass].MyManager
And it works as expected, except when I use NULL:
DECLARE @MyManager nvarchar(1000)
EXEC @MyManager = dbo.GetManager NULL
PRINT @MyManager
It returns the value "Unknown" as it would have for any unknown DeptCode, as-programmed.
I'm of the theory it should have returned NULL without actually firing the function? Or is this only for non-CLR items... or stored procedures, not functions?
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Oct 27, 2015
We have a case where in we should show date based on conditions for e.g if we had a column defined as
col varchar(10) then we would show col as 'NULL' for some condition and actual value when no condition
Normaly date values are stored here e.g under col 20150901 .
Case
when col>'20150901' then 'NULL'
else col
end as Derivedcol
Note this is an extract process and we are presenting data by pumping the data in a table .
Now there is another similar column -colz varchar(10) which stores date but doesnt have case condition so whenever date has no value its shows null which is database null.
So whats the difference between database null and string null ?
How can we show database null for the case condition instead of string "null"?
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Nov 27, 2000
I have two columns A (which allows nulls) and B( which does not allow nulls).
How can I add the contents of columns A and B SO THAT I DO NOT GET A NULL RESULT WHEN A IS NULL.
The result of A+B concatanation will be stored in a column, C.
Appreciate your help
Ziggy
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Apr 25, 2007
Hi guys,
I've got a query on a particular table returning an odd result:
SELECT DISTINCT WorkStation
FROM Invoice
WHERE WorkStation Is Not Null
ORDER BY WorkStation
This query returns the rows I'd expect plus a null row. This doesn't happen in databases at other sites, or in other tables at this site. The following query behaves as I'd expect returning only non-null AccountNumbers.
SELECT DISTINCT AccountNumber
FROM Suppliers
WHERE AccountNumber Is Not Null
ORDER BY AccountNumber
I can't reproduce these results on another site on a table of the same structure, or on another table at this site.
Any suggestions as to what might be going on?
Pertinent info:
---
select @@Version
Microsoft SQL Server 2000 - 8.00.760 (Intel X86)
Dec 17 2002 14:22:05 Copyright (c) 1988-2003 Microsoft Corporation
Standard Edition on Windows NT 5.2 (Build 3790: Service Pack 1)
---
dbcc checkdb
Abridged result:
CHECKDB found 0 allocation errors and 0 consistency errors in database 'POS'.
---
SELECT * INTO #Inv FROM Invoice
SELECT DISTINCT WorkStation
FROM #Inv
WHERE WorkStation Is Not Null
ORDER BY WorkStation
Does not reproduce this problem (and so is a probable fix) but the questions remains, what causes this?
TIA,
Karl.
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Aug 2, 2015
I have 595 default constraints in my database. I can return a list of them using the following:
select * from sys.default_constraints
Is there a way I can return a list of just the ones where NULL is still allowed? I want to update all of the columns with a default value to not allow NULLs.
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