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How To Update A Column In A DataGrid Using C#.NET? I am getting InvalidCastException as (Specified cast is not valid) while updating 2nd column in a datagrid? Id,firstname,lastname are the three columns of my datagrid respectively. I wanted to edit the second column(lastname) and update it. I did the following code in DataGrid's updatecommand(),but failed to update ! Int varid=(int)DataGrid1.DataKeys[e.Item.ItemIndex]; TextBox lnm=(TextBox)e.Item.Cells[2].Controls[0]; string str=lnm.Text ; SqlCommand cmd=new SqlCommand("update customer set lastname='" + str + "' where id=" + varid + "",con); cmd.ExecuteNonQuery(); DataGrid1.EditItemIndex=- 1; DataGrid1.DataBind();
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pls send me interview question paper with answer of EIL/AAI/UPSC/RPSC because i am doing prepration of compitation exam of UPSC for the Asst. Executive Engineer
Is .net core managed code?
Define absolute co-ordinates?
What is the one thing that you regret?
What the sp register does in a program?
Explain the function module in bdc?
what is works contract tax? if a contractor made a bill as repairs to machinary 00000000/- service tax 12.36% on 40% on basic value Vat 5% on 60% of the basic value of the bill amount how can i deduct works contract tax? please suggest me?
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Does any one have SAP basis B1 Resume format for 4 to 5 year experience? if any one have please send me on kishorekharche@gmail.com
What is advantage of pointer in c?
What are the components of the monetary policy of rbi?
What is a hint?
Define What is the distance between railway tracks?
