How Do You Use SQL Parameters To UPDATE A Column?
Sep 27, 2006
Hi all,
I have a problem here where I am trying to use SQL Parameters to update a column in the database, but the problem is that I need to concatenate the same column to the SQL parameter. The code I have is below, but it throws a Format Exception...
UPDATE tbl_NSP_Inspection SET Description = Description + @InspectionDescription
...It is because I am trying to Append teh data in the description column to the SQL Parameter (
@InspectionDescription). How do I actually do this using SQL Parameters?
Thanks
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Jan 7, 2008
Good afternoon,
I am trying to figure out a way to use a columns default value when using a stored procedure to insert a new row into a table. I know you are thinking "that is what the default value is for", but bare with me on this.
Take the following table and subsequent stored procedure. In the table below, I have four columns, one of which is NOT NULL and has a default value set for that column.
CREATE TABLE [dbo].[TestTable](
[FirstName] [nvarchar](50) NULL,
[LastName] [nvarchar](50) NULL,
[SSN] [nvarchar](15) NULL,
[IsGeek] [bit] NOT NULL CONSTRAINT [DF_TestTable_IsGeek] DEFAULT ((1))
) ON [PRIMARY]
I then created the following stored procedure:
CREATE PROCEDURE TestTable_Insert
@FirstName nvarchar(50),
@LastName nvarchar(50),
@SSN nvarchar(15),
@geek bit = NULL
AS
BEGIN
INSERT INTO TestTable (FirstName, LastName, SSN, IsGeek)
VALUEs (@FirstName, @LastName, @SSN, @geek)
END
GO
and executed it as follows (without passing the @geek parameter value)
EXEC TestTable_Insert 'scott', 'klein', '555-55-5555'
The error I got back (and somewhat expected) is the following:
Cannot insert the value NULL into column 'IsGeek', table 'ScottTest.dbo.TestTable'; column does not allow nulls. INSERT fails.
What I would like to happen is for the table to use the columns default value and not the NULL value if I don't pass a parameter for @geek. OR, it would be really cool to be able to do something like this:
INSERT INTO TestTable (FirstName, LastName, SSN, IsGeek)
VALUEs (@FirstName, @LastName, @SSN, ISNULL(@geek, DEFAULT))
Does this make sense?
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Jun 6, 2006
My problem is that I can' t update my gridview. I am stuck at this problem for several days now and have no clue what the sollution could be. Hope somebody can give me some ideas of what I am doing wrong.
<asp:GridView ID="GridView_phl_berichten" runat="server" AutoGenerateColumns="False" BorderColor="DimGray" BorderStyle="Solid" BorderWidth="1px" DataKeyNames="phlb_id" DataSourceID="SqlDataSource_phl_berichten" GridLines="Horizontal" Width="716px">
<Columns>
<asp:TemplateField HeaderText="Van datum" SortExpression="phlb_van">
<EditItemTemplate>
<asp:Calendar ID="phlb_van" runat="server" SelectedDate='<%# eval("phlb_van") %>'
VisibleDate='<%# eval("phlb_van") %>'></asp:Calendar>
</EditItemTemplate>
<ItemStyle VerticalAlign="Top" Width="5cm" />
<ItemTemplate>
<asp:Label ID="Label_datum_van" runat="server" Text='<%# eval("phlb_van", "{0:d}") %>'></asp:Label>
<br />
<br />
<asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Edit"
Text="Edit"></asp:LinkButton>
<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Delete"
Text="Delete" OnClientClick=" return confirm('Bent u zeker dat u dit bericht wil verwijderen ?') "></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Tot datum" SortExpression="phlb_tot">
<EditItemTemplate>
<asp:Calendar ID="phlb_tot" runat="server" SelectedDate='<%# eval("phlb_tot") %>'
VisibleDate='<%# eval("phlb_tot") %>'></asp:Calendar>
</EditItemTemplate>
<ItemStyle VerticalAlign="Top" Width="4cm" />
<ItemTemplate>
<asp:Label ID="Label_datum_tot" runat="server" Text='<%# eval("phlb_tot", "{0:d}") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Bericht" SortExpression="phlb_bericht">
<EditItemTemplate>
<asp:TextBox ID="phlb_bericht" runat="server" Height="98px" Text='<%# eval("phlb_bericht") %>'
TextMode="MultiLine" Width="527px"></asp:TextBox><br />
<br />
<asp:LinkButton ID="LinkButtonUpdate" runat="server" CausesValidation="False" CommandName="Update"
Font-Size="Small" OnClientClick="return confirm('Bent u zeker dat u dit bericht wil opslaan ?')"
Text="Update"></asp:LinkButton>
<asp:LinkButton ID="LinkButtonCancel" runat="server" CausesValidation="False" CommandName="Cancel"
Font-Size="Small" Text="Cancel"></asp:LinkButton>
</EditItemTemplate>
<ItemTemplate>
<asp:TextBox ID="TextBox_bericht" runat="server" Height="98px" ReadOnly="True"
Text='<%# eval("phlb_bericht") %>' TextMode="MultiLine" Width="527px"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="phlb_id" SortExpression="phlb_id" Visible="False">
<EditItemTemplate>
<asp:Label ID="phlb_id" runat="server" Text='<%# Bind("phlb_id") %>'></asp:Label>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label_bericht_id" runat="server" Text='<%# Bind("phlb_id") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle BackColor="#F3F3F3" />
</asp:GridView>
and here is my sqldatasource-object :
<asp:SqlDataSource ID="SqlDataSource_phl_berichten" runat="server" ConnectionString="<%$ ConnectionStrings:ConEP %>"
SelectCommand="sp_berichten_PHL_alle" SelectCommandType="StoredProcedure" UpdateCommand="UPDATE T_bericht_PHL set phlb_bericht = @phlb_bericht where phlb_id = @phlb_id">
<UpdateParameters>
<asp:Parameter Name="phlb_bericht" Type="String" />
<asp:Parameter Name="phlb_id" Type="Int32" />
</UpdateParameters>
</asp:SqlDataSource>
It always stay giving the message that you can ' t insert null values in the column " bericht " ... ; All my variables have the same names as the columns in my table. So it is finding the id , but it doesn' t seem to find the value of my edititemtemplatefield "bericht". Hope somebody can give some suggestions on what I can try to do else.
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Oct 10, 2006
Im looking for example code to make a sql update... I want to use command.Parameters and variables from text boxes and i'm unsure how to do this... Please help. This code below doesn't work but it is an example of what i've been working with.. <code> { string conn = string.Empty; ConnectionStringsSection connectionStringsSection = WebConfigurationManager.GetSection("connectionStrings") as ConnectionStringsSection; if (connectionStringsSection != null) { ConnectionStringSettingsCollection connectStrings = connectionStringsSection.ConnectionStrings; ConnectionStringSettings connString = connectStrings["whowantsConnectionString"]; conn = connString.ConnectionString; using (SqlConnection connection = new SqlConnection(conn)) using (SqlCommand command = new SqlCommand("UPDATE users SET currentscore=5)", connection)) { updateCommand.Parameters.Add("@currentscore", SQLServerDbType.numeric, 18, "currentscore"); connection.Open(); command.ExecuteNonQuery(); connection.Close(); } } }</code>
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Apr 18, 2007
I have a web form that is populated from the DB values. User can update teh record by keying in new values in the form fields. In my .vb class file I have an update statement -
strSql = "UPDATE msi_Persons SET Firstname=@firstname where Id=@id"
I have the parameters defined as
cmd.Parameters.Add(New SqlParameter("@firstname", _FirstName))
cmd.Parameters.Add(New SqlParameter("@id", _Id))
_FirstName & _Id are the private variables whose values a set thru set and get methods. I expect _FirstName to have the new value I am keying in the form.
Can any body help me with what's wrong here? This is not updating the database. When I do trace.write it shows me the Update statement as "UPDATE msi_Persons SET Firstname=@firstname where Id=@id" instead of @firstname and @id being replace by actual values.
Please help.
Thanks,Shaly
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May 12, 2008
Hi All,The following code runs without error but does not update the database. Therefore I must be missing something.I am sure that this a simple task but as newbie to asp.net its got me stumpted. Protected Sub updatePOInfo_Updating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles updatePOInfo.Updating Dim quantity As Integer Dim weight As Integer Dim packed As Integer quantity = CInt(bagsOnPallet.Text) weight = CInt(lbsInBags.SelectedValue) packed = weight * quantity e.Command.Parameters("@packedLbs").Value += packed e.Command.Parameters("@AvailableLbs").Value -= packed End Sub
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Dec 11, 2007
hi, please someone can help me. I get error 0x80040E14L // The command contained one or more errors. I think that the error is in the sql update command.
this is my code:
HRESULT hr = NOERROR;
IDBCreateCommand * pIDBCrtCmd = NULL;
ICommandText * pICmdText = NULL;
IRowset * pIRowset = NULL;
ICommandPrepare * pICmdPrepare = NULL;
ICommandWithParameters * pICmdWParams = NULL;
ULONG ulNumCols;
IColumnsInfo * pIColumnsInfo = NULL;
LONG lNumCols;
IAccessor * pIAccessor = NULL;
ULONG cParams;
DBPARAMINFO * rgParamInfo = NULL;
OLECHAR * pNamesBuffer = NULL;
ULONG ulNumRowsRetrieved;
HROW hRows[5];
HROW * pRows = &hRows[0];
BYTE * pData = NULL;
DBCOLUMNINFO * pDBColumnInfo = NULL;
WCHAR * pStringsBuffer = NULL;
DBBINDING * prgBinding = NULL;
DBBINDING rgBindings[2];
ULONG cbRowSize;
DBPARAMS params;
HACCESSOR hAccessor;
hr = m_pIDBCreateSession->CreateSession(NULL,IID_IDBCreateCommand,(IUnknown**)&pIDBCrtCmd);
if (FAILED(hr))
goto Exit;
//IID_ICommandWithParameters
hr = pIDBCrtCmd->CreateCommand(NULL,IID_ICommandWithParameters, (IUnknown**)&pICmdWParams);
if (FAILED(hr))
goto Exit;
hr = pICmdWParams->QueryInterface( IID_ICommandText,(void**)&pICmdText);
if (FAILED(hr))
goto Exit;
hr = pICmdWParams->QueryInterface( IID_ICommandPrepare,(void**)&pICmdPrepare);
if (FAILED(hr))
goto Exit;
LPCTSTR wSQLString = OLESTR("UPDATE Pendientes SET Pendiente = ? WHERE IDAnimal = ?");
hr = pICmdText->SetCommandText( DBGUID_DBSQL,wSQLString);
if (FAILED(hr))
goto Exit;
pICmdPrepare->Prepare(1);
if (FAILED(hr))
goto Exit;
pICmdWParams->GetParameterInfo(&cParams, &rgParamInfo, &pNamesBuffer);
hr = pICmdText->QueryInterface( IID_IAccessor, (void**)&pIAccessor);
if (FAILED(hr))
goto Exit;
rgBindings[0].iOrdinal = 1;
rgBindings[0].obStatus = 0;
rgBindings[0].obLength = rgBindings[0].obStatus + sizeof(DBSTATUS);
rgBindings[0].obValue = rgBindings[0].obLength + sizeof(ULONG);
rgBindings[0].pTypeInfo = NULL;
rgBindings[0].pObject = NULL;
rgBindings[0].pBindExt = NULL;
rgBindings[0].dwPart = DBPART_VALUE | DBPART_STATUS | DBPART_LENGTH;
rgBindings[0].dwMemOwner = DBMEMOWNER_CLIENTOWNED;
rgBindings[0].eParamIO = DBPARAMIO_INPUT;
rgBindings[0].cbMaxLen = sizeof(int);
rgBindings[0].dwFlags = 0;
rgBindings[0].wType = DBTYPE_I4;
rgBindings[0].bPrecision = 0;
rgBindings[0].bScale = 0;
rgBindings[1].iOrdinal = 2;
rgBindings[1].obStatus = rgBindings[0].obValue + rgBindings[0].cbMaxLen;;
rgBindings[1].obLength = rgBindings[1].obStatus + sizeof(DBSTATUS);
rgBindings[1].obValue = rgBindings[1].obLength + sizeof(ULONG);
rgBindings[1].pTypeInfo = NULL;
rgBindings[1].pObject = NULL;
rgBindings[1].pBindExt = NULL;
rgBindings[1].dwPart = DBPART_VALUE | DBPART_STATUS | DBPART_LENGTH;
rgBindings[1].dwMemOwner = DBMEMOWNER_CLIENTOWNED;
rgBindings[1].eParamIO = DBPARAMIO_INPUT;
rgBindings[1].cbMaxLen = 8;
rgBindings[1].dwFlags = 0;
rgBindings[1].wType = DBTYPE_I8;
rgBindings[1].bPrecision = 0;
rgBindings[1].bScale = 0;
cbRowSize = rgBindings[1].obValue + rgBindings[1].cbMaxLen;
hr = pIAccessor->CreateAccessor(DBACCESSOR_PARAMETERDATA,2,rgBindings,cbRowSize,&hAccessor,NULL);
if (FAILED(hr))
goto Exit;
pData = (BYTE*) malloc(cbRowSize);
if(!(pData))
{
hr = E_OUTOFMEMORY;
goto Exit;
}
memset(pData,0,cbRowSize);
*(DBSTATUS*)(pData + rgBindings[0].obStatus) = DBSTATUS_S_OK;
*(int*)(pData + rgBindings[0].obValue) = 9;
*(ULONG*)(pData + rgBindings[0].obLength) = 8;
*(DBSTATUS*)(pData + rgBindings[1].obStatus) = DBSTATUS_S_OK;
*(int*)(pData + rgBindings[1].obValue) = 0;
*(ULONG*)(pData + rgBindings[1].obLength) = 4;
params.pData = pData;
params.cParamSets = 1;
params.hAccessor = hAccessor;
hr = pICmdText->Execute(NULL, IID_NULL,¶ms,&lNumCols,NULL);
if (FAILED(hr))
goto Exit;
Exit:...
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Jul 10, 2006
I'm passing a parameter to a stored procedure stored on my sqlserver, or trying to atleast. And then firing off the update command that contains that parameter from a button. But it's not changing my data on my server when I do so.
I'm filling a dropdown list from a stored procedure and I have a little loop run another sp that grabs what the selected value should be in the dropdown list when the page loads/refreshes. All this works fine, just not sp that should update my data when I hit the submit button.
It's supposed to update one of my tables to whatever the selected value is from my drop down list. But it doesn't even change anything. It just refreshes the page and goes back to the original value for my drop down list.
Just to make sure that it's my update command that's failing, I've even changed the back end data manually to a different value and on page load it shows the proper selected item that I changed the data to, etc. It just won't change the data from the page when I try to.
This is what the stored procedure looks like:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ALTER PROCEDURE [dbo].[UPDATE_sp] (@SelectedID int) AS
BEGIN
UPDATE [Current_tbl]
SET ID = @SelectedID
WHERE PrimID = '1'
END
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And here's my aspx page:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Editor.aspx.vb" Inherits="Editor" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Data Verification Editor</title>
</head>
<body>
<form id="form1" runat="server">
<asp:SqlDataSource ID="SQLDS_Fill" runat="server" ConnectionString="<%$ ConnectionStrings:Test %>"
SelectCommand="Current_sp" SelectCommandType="StoredProcedure" DataSourceMode="DataSet">
</asp:SqlDataSource>
<asp:SqlDataSource ID="SQLDS_Update" runat="server" ConnectionString="<%$ ConnectionStrings:Test %>"
SelectCommand="Validation_sp" SelectCommandType="StoredProcedure" DataSourceMode="DataReader"
UpdateCommand="UPDATE_sp" UpdateCommandType="StoredProcedure">
<UpdateParameters>
<asp:ControlParameter Name="SelectedID" ControlID="Ver_ddl" PropertyName="SelectedValue" Type="Int16" />
</UpdateParameters>
</asp:SqlDataSource>
<table style="width:320px; background-color:menu; border-right:menu thin ridge; border-top:menu thin ridge; border-left:menu thin ridge; border-bottom:menu thin ridge; left:3px; position:absolute; top:3px;">
<tr>
<td colspan="2" style="font-family:Tahoma; font-size:10pt;">
Please select one of the following:<br />
</td>
</tr>
<tr>
<td colspan="2">
<asp:DropDownList ID="Ver_ddl" runat="server" DataSourceID="SQLDS_Update" DataTextField="Title"
DataValueField="ID" style="width: 100%; height: 24px; background: gold">
</asp:DropDownList>
</td>
</tr>
<tr>
<td style="width:50%;">
<asp:Button ID="Submit_btn" runat="server" Text="Submit" Font-Bold="True"
Font-Size="8pt" Width="100%" />
</td>
<td style="width:50%;">
<asp:Button ID="Done_btn" runat="server" Text="Done" Font-Bold="True"
Font-Size="8pt" Width="100%" />
</td>
</tr>
<tr>
<td colspan="2">
<asp:Label runat="server" ID="Saved_lbl" style="font-family:Tahoma; font-size:10pt;"></asp:Label>
</td>
</tr>
</table>
</form>
</body>
</html>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And here's my code behind:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Imports System.Data
Imports System.Data.SqlClient
Partial Class Editor
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
Saved_lbl.Text = ""
Done_btn.Attributes.Add("OnClick", "window.location.href='Rpt.htm';return false;")
Dim View1 As New DataView
Dim args As New DataSourceSelectArguments
View1 = SQLDS_Fill.Select(args)
Dim Row As DataRow
For Each Row In View1.Table.Rows
Ver_ddl.SelectedValue = Row("ID")
Next Row
SQLDS_Fill.Dispose()
End Sub
Protected Sub Submit_btn_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Submit_btn.Click
SQLDS_Update.Update()
Saved_lbl.Text = "Thank you. Your changes have been saved."
SQLDS_Update.Dispose()
End Sub
End Class
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Any help is much appreciated.
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Aug 2, 2007
Hi,i try to update field 'name' (nvarchar(5) in sql server) of table 'mytable'.This happens in event DetailsView1_ItemUpdating with my own code.It works without parameters (i know, bad way) like this:SqlDataSource1.UpdateCommand = "UPDATE mytable set name= '" & na & "'"But when using parameters like here below, i get the error:"Input string was not in a correct format"Protected Sub DetailsView1_ItemUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewUpdateEventArgs) Handles DetailsView1.ItemUpdatingSqlDataSource1.UpdateCommand = "UPDATE mytable set name= @myname"SqlDataSource1.UpdateParameters.Add("@myname", SqlDbType.NVarChar, na)SqlDataSource1.Update()End SubI don't see what's wrong here.Thanks for helpTartuffe
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May 20, 2008
Hi All,
We got this little issue of passing around (updated and inserting) small dataSets (20-500 or so records) from fat clients to a remote server running .Net / SQL 2005.
Instead of trying to fudge the data and make updates in .Net, we just decided it would be a lot less nonsense if we just wrap up the dataSets in an XML string, have .Net just pass it thru as a parameter in a SP and let SQL parse it out using openXML. The data is small and server is low use, so I'm not worried about overhead, but I would like to know the best methods and DO's & Don'ts to parse the XML and make the updates/inserts....and maybe a few good examples. The few examples I've come across are kind of sketchy. Seems it's not a real popular method of handling updates.
Thanks in Advance,
Bill
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Mar 23, 2008
Hi, could someone explain to me with sample code how to write a sql query using parameters to update a record, as I am new to this.
thanks
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Dec 14, 2007
I have an update command with 7 parameters, but at run time the order to the parameters gets mixed up.
I'm using a stored procedure. At first I have the command type set to text, and was calling it using EXEC spName ?,?,?,?,?,?,?
I then named each of the parameters and set their sources. The parameters are like this (samepl name, then source, then type):
A : QueryString - intB: Control - intC: Control - intD: None - intE: None - decimalF: Control - datetimeG: Control - datetime
At run time I was getting an error that an integer couldn't be converted to date time. So I put a breakpoint in the Updating event and then looked at the parameters prior to update.
This is how they looked (Parameter index, paramter name):
[0] A[1] B[2] D[3] E[4] F[5] G[6] C
It didn't maek any sense. Do, I deleted all of the paramters and readded them. That didnt' work. Then I changed the command to StoredProcedure and refreshed the parameters from the stored proc and it brought them in the right order, but the problem remains the same.
I looked at the page source, and there are no indexes in the page source, but the parameters are listed in the proper creation order, as follows:<UpdateParameters><asp:QueryStringParameter Type="Int32" Name="PROJ_ID" QueryStringField="pid"></asp:QueryStringParameter><asp:ControlParameter PropertyName="SelectedValue" Type="Int32" Name="TASK_UID" ControlID="fvTask"></asp:ControlParameter><asp:ControlParameter PropertyName="SelectedValue" Type="Int32" Name="ASSN_UID" ControlID="gvResources"></asp:ControlParameter><asp:Parameter Type="Int32" Name="RES_UID"></asp:Parameter><asp:Parameter Type="Double" Name="Work"></asp:Parameter><asp:ControlParameter PropertyName="Text" Type="DateTime" Name="Start" ControlID="TASK_START_DATETextBox"></asp:ControlParameter><asp:ControlParameter PropertyName="Text" Type="DateTime" Name="Finish" ControlID="TASK_FINISH_DATETextBox"></asp:ControlParameter></UpdateParameters>
No mater what I do, at run time ASSN_UID is always the last parameter. I've also run a SQL trace to see how it is actually being executed, and sure enough, its passing the value for ASSN_UID as the last parameter, which obviously doesn't work.
Any ideas as to why this would happen or how to fix it?
(I guess I can reorder the patameters in the stored proc to match how they are being passed, but still, that wouldn't be a very comfortable solution, since it could perhaps revert at some point or something)
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Dec 3, 2003
I have a stored procedure that updates about a dozen rows.
I have some overloaded functions that I should update different combinations of the rows - 1 function might update 3 rows, another 7 rows.
Do I have to write a stored procedure for each function or I can I handle it in the Stored Procedure. I realise I can have default values but I the default values could overwrite actual data if the values are not supplied but have been previously written.
Many thanks for any guidance.
Simon
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May 26, 1999
I am trying to pass two parameters to a stored procedure using the code below:
Dim cmd As New Command
Dim rs As New Recordset
Dim prm As New Parameter
Dim ttt As New Parameter
cmd.ActiveConnection = cnn1
cmd.CommandText = "{call usp_PlcwithinUID_upt(?,?)}"
cmd.CommandType = adCmdStoredProc
Set prm = New Parameter
prm.Type = adInteger
prm.Value = gsPlcCode
cmd.Parameters.Append prm
Set ttt = New Parameter
ttt.Type = adVarChar
ttt.Value = "TEST"
cmd.Parameters.Append ttt
'cmd(1) = gsPlcCode
'cmd(2) = "Test"
Set rs = cmd.Execute
It works when passing one but NOT two ?? Can anyone shed any light ??
I've also tried using the Create Parameter method but again one is fine but passing two parameters doesn't work ?
The stored procedure just performs an update on a table.
Basically I want to be able to update any fields in a table (specific record) when they have been changed by the user. I have placed boolean variables in the change events to detect any user edits. If any field(s) have been edited I then want to send each field within the current record as parameters to the update stored procedure.
Any clues as to how to get an update stored procedure to except multiple variables.
I have trawled through loads of documentation to no avail.
Please help.
Paul
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Sep 22, 2014
I set up a stored procedure. My stored procedure has 8 variables declared at the beginning like this:
===========================
declare@IncurredDateStartsmalldatetime
,@IncurredDateEndsmalldatetime
,@PaidDateStart_CUsmalldatetime
,@PaidDateEnd_CUsmalldatetime
,@PaidDateStartsmalldatetime
,@PaidDateEndsmalldatetime
[Code] ....
All of these dates are based on the update of our data warehouse. This stored procedure runs a 5 step process and produces data for 8 - 10 monthly reports.
I was wondering if these variables can be updated dynamically and if they can how it is done.
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Nov 2, 2006
I just posted a question on WHERE clause impotence in SELECT command, I mean in my setting. It obviously should work on a global scale and now I have a problem with UPDATE command WHERE clause.
I am talking about a different SP now. It is supposed to update a record in a table.
Anyhow, the procedure did NOT seem to execute properly (did not update the record) when called from C# code but when I tried to exec it in the server it finally did work but raised a problem of safeguarding the unused parameters.
I do not need to update all columns in every call to the SP that uses UPDATE statement. Some parameters are left the way they are. I found out that if I ignore them they are set to default values which is NULL for DateTime. It essentially wipes out the values I inserted in the previous INSERT command when the record was created. Some of them were not NULLs.
if this is not just my freak observation, I would like to know how this problem should be handled to make sure that all column values are safe. If it is impossible to make them all not being updated every time a single parameter is updated it will create some problems for me in the client code: I will have to retreive all parameters, put them in variables or an ArrayList and then update the whole record wholesale.
How is it done by the experts?
Thanks.
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Aug 31, 2007
Hello all,
Ok, I finally got my SqlDataSource working with Oracle once I found out what Oracle was looking for. My next hurdle is to try and set the Update Command and Parameters dynamically from a variable or radiobutton list. What I'm trying to accomplish is creating a hardware database for our computers by querying WMI and sending the info to textboxes for insertion and updating. I got that part all working nicely. Now I want to send the Computer name info to a different table column depending on if it is a laptop or desktop. I have been tossing around 2 ideas. A radiobutton list to select what it is and change the SQL parameters or do it by computer name since we have a unique identifier as the first letter ("W" for workstation, "L" for Laptop). I'm not sure what would be easiest but I'm still stuck on how this can be done. I posted this same question in here a few days ago, but I didn't have my SqlDataSources setup like I do now, I was using Dreamweaver 8, it is now ported to VS 2005. Below is my code, in bold is what I think needs to be changed dynamically, basically i need to change DESKTOP to LAPTOP...Thanks for all the help I've gotten from this forum already, I'm very new to ASP.NET and I couldn't do this without all the help. Thanks again!
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:CAT %>"ProviderName="<%$ ConnectionStrings:CAT.ProviderName %>" SelectCommand='SELECT * FROM "COMPUTER"' UpdateCommand="UPDATE COMPUTER SET DESKTOP = :DESKTOP, TECH = :TECH, SERVICE_TAG = :SERVICE_TAG WHERE USERNAME=:USERNAME">
<UpdateParameters>
<asp:ControlParameter Name="USERNAME" ControlId="txtUserName" PropertyName="Text"/>
<asp:ControlParameter Name="SERVICE_TAG" ControlId="txtServiceTag" PropertyName="Text"/>
<asp:ControlParameter Name="TECH" ControlId="txtTech" PropertyName="Text"/>
<asp:ControlParameter Name="DESKTOP" ControlId="txtComputerName" PropertyName="Text"/>
</UpdateParameters>
</asp:SqlDataSource>
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Sep 9, 2015
I have a student table like this studentid, schoolID, previousschoolid, gradelevel.
I would like to load this table every day from student system.
During the year, the student could change schoolid, whenever there is a change, I would put current records schoolid to the previous schoolid column, and set the schoolid as the newschoolid from student system.
My question in my merge statement something like below
Merge into student st
using (select * from InputStudent ins)
on st.id=ins.studentid
When matched then update
set st.schoolid=ins.schoolid
, st.previouschoolid= case when (st.schoolid<>ins.schoolid) then st.schoolid
else st.previouschoolid
end
, st.grade_level=ins.grade_level
;
My question is since schoolid is et at the first line of set statement, will the second line still catch what is the previous schoolid?
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Aug 27, 2015
How to Update Column Value in the whole data base (based on Column Value)?
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Aug 19, 2004
I would like to pass into a stored proc the column names I want it to return; how do I do this please?
So I pass in say:
@p_AccountNumber with a value of 'AccountNum'
and the SELECT that the sp fires is of the form
SELECT AccountNum from AccountTable
Any help appreciated
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Mar 17, 2008
I am trying to build a report that has two parameters that are entered by the user. They will be a simple string that is basically a six digit unique identifier number called DEALID. I have my report set so that I can enter one of these Deal ID's and it will pull in all of the fields I need. However, within the same report I want to have the user be able to enter a second Deal ID and have it pull in effectively the same values, yet associated with that new ID.
The problem seems to be that I am trying to have multiple parameters querying the same field in the database. Is this something that can be done? I have tried naming them all uniquely with a new alias and that does not seem to help.
Thank you
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Oct 10, 2007
HI All,
I want to send a reports to two person. Reports are going to be delivered automatically. I hope to use snapshot option. In my report there is one column which can be seen by only one person. Can I use parameters to hide one column from one person? If its possible, can you explain how to do that please. If its not possible, what are the other option excet creating two different reports.
Also If I use parameters , can reports be executed automatically?
Thanks
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Jun 20, 2000
Hello,
I'm using SQL Server 7. I have an invoice table. The invoice table has a datetime column called InvoiceDate. The InvoiceDate column contains the following date format:
5/3/00
I would like to use the InvoiceDate column to update the char (6) column called zInvoiceDate as a formatted date field like yymmdd.
The following syntax did not work:
SET zInvoiceDate = Convert([ARInvoiceID],GetDate()12)
Any suggestions please :)
Thanks,
Denise
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Jan 29, 2008
Hi.
I'm writing a web application with VS2005 andSQL Server 2005 express edition.
I have an SQL table:
Table name:
statistics
Columns:
stat_id
firm_name
stat_month
stat_year
view_count
follow_count
percentage
When a user clicks a button, an sql query is fired which increments the view_count value by one and calculates a new percentage value from this. The query to update the percentage value doesn't work, here's the query:
UPDATE [statistics]
SET percentage = follow_count / view_count * 100
WHERE (stat_id = 15)
This code worked fine with MySQL, but since migrating to MSSql it doesn't seem to work. The data type of the percentage column is: decimal(5, 2)
Any help would be appreciated.
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Mar 12, 2007
Hello,
I have a problem i'v been searching all day but i can't find an answer anywhere maybe someone here can help.
What I want to do is give a column in a table the same value as another column from the same table. For example:
Table:Requests
A request has a relatedrequestId wich links another request to it. Now I want the date from the linked request in the date from the master request. Because all the master requests date's are empty and i want them to have the date from the linked request.
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Apr 6, 2007
I have a table which has a field called Org. This field can be segmented from one to five segments based on a user defined delimiter and user defined segment length. Another table contains one row of data with the user defined delimiter and the start and length of each segment. e.g.
Table 1
Org
aaa:aaa:aa
aaa:aaa:ab
aaa:aab:aa
Table 2
delim
Seg1Start
Seg1Len
Seg2Start
Seg2Len
Seg3Start
Seg3Len
:
1
3
5
3
9
2
My objective is to use SSIS and derive three columns from the one column in Table 1 based on the positions defined in Table 2. Table 2 is a single row table. I thought perhaps I could use the substring function and nest the select statement in place of the parameters in the derived column data flow. I don't seem to be able to get this to work.
Any ideas? Can this be done in SSIS?
I'd really appreciate any insight that anyone might have.
Regards,
Bill
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Jun 14, 2007
Hi,I have table with three columns as belowtable name:expNo(int) name(char) refno(int)I have data as belowNo name refno1 a2 b3 cI need to update the refno with no values I write a query as belowupdate exp set refno=(select no from exp)when i run the query i got error asSubquery returned more than 1 value. This is not permitted when thesubquery follows =, !=, <, <= , >, >= or when the subquery is used asan expression.I need to update one colum with other column value.What is the correct query for this ?Thanks,Mani
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Mar 18, 2004
Hi,
i need to update the value in the column by adding to the value already in that column.
For eg, the value is in the column is already 5, i need to update it with addition of 8. i.e 5+8 = 13. The final value should be 13 in the column after that.
How do I go about doing it?
UPDATE Table 1 SET ColumnName +=8 ?
Thanks in advance. really at a loss and very urgent.
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Jun 15, 2008
Hi,
I'm quite new to SQL and wondered if someone could help. I'm pretty good at writing reports but I now need to do an update.
Basically i need to update a column in table1 where coulmn 1 in table4 = Y, however to get to table4 I think I need to link to all 4 tables, table4 is the last table. The tables link based on ID's
Tried a few things such as
UPDATE table1
SET column1 = ''
WHERE column1 IN ( SELECT column1
FROM table4
WHERE column1 = Y)
Now I need to get to table 4 I need some other wHERE clauses to link them together, just like I would if I were writing a SELECT statement.
Any ideas?
Many thanks
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Jan 23, 2007
I have a table with a column called data. In that column is a value like:
<settings><myVarOne>valueOne</myVarOne><myVarTwo>valueTwo</myVarTwo></settings>
All I'd like to do, is update all the myVarOne values. So the new value for data would be:
<settings><myVarOne>newValueHere</myVarOne><myVarTwo>valueTwo</myVarTwo></settings>
This will likely be SQL2000 not SQL2005 but it would be useful to know for both.
I've looked at OPENXML but all the examples seem keen on using sp_xml_preparedocument and then OPENXML needs the @idoc so I'm thinking there is something else.
If someone can point me in the right direction that would be extremely helpful as I haven't found anything that makes sense to me. UpdateGrams seems very overblown for manipulation like this when OPENXML is sooo very close to being correct.
Thanks!
Chad
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Apr 16, 2007
Hi,
i have a column which has values like,
01234
00445
00067
....
i want to update those column like,
1234
445
67
how can i do it?
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Sep 25, 2007
Is it possible to update from one table to another?Pls examine my code here:
UPDATE tStaffDir SET tStaffDir.ft_prevemp = ISNULL(tStaffDir_PrevEmp.PrevEmp01, ' ') + ' ' + ISNULL(tStaffDir_PrevEmp.PrevEmp02, ' ') + ' ' + ISNULL(tStaffDir_PrevEmp.PrevEmp03, ' ') + ' ' + ISNULL(tStaffDir_PrevEmp.PrevEmp04, ' ') + ' ' + ISNULL(tStaffDir_PrevEmp.PrevEmp05, ' ') Where tStaffDir_PrevEmp.ID=tStaffDir.ID
I am trying to concatenate the columns from tStaffDir_PrevEmp to tStaffDir but I have this error where tStaffDir_PrevEmp is recognised as a column and not a table.
Pls advise how this can be done. Many Thanks.
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Jan 12, 2006
The problem is with @NUMERY parameterin code behind i setDim dr As GridViewRowDim numery As Stringnumery = ""
For Each dr In GridView1.RowsDim numeros As Label = dr.Cells(0).Controls(1)numery += numeros.Text & ", "Next
numery = numery.TrimEnd(", ")
SqlDataSource1.UpdateParameters("NUMERY").DefaultValue = numery'so numery will look like this 123, 65465, 54616, 56465Update command looks like this :UpdateCommand="UPDATE slon SET mrowka = @MROWKA WHERE (NUMER IN (@NUMERY))"
<UpdateParameters><asp:Parameter Name="MROWKA" /><asp:Parameter Name="NUMERY" /></UpdateParameters>
And because of @numery i have err: Error converting data type nvarchar to numeric. how should i post "123, 65465, 54616, 56465" as parameter for this query ?
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