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I have a grid view with template columns and in the ItemTemplate i have textbox bounded with sqldatasource, I want make this text box in Row 3 only to type only number and on the other Rows to type normaly any thing ?

KAS
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  • Try doing this in code behind using the function `RowDataBound` and applying validation rules if the row index is 3. – Dhrumil May 25 '15 at 07:50

1 Answers1

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  • In EditingControlShowing, check that if the current cell lies in the desired column.
  • Register a new event of KeyPress in EditingControlShowing(if above condition is true).
  • Remove any KeyPress event added previously in EditingControlShowing.

  • In KeyPress event, check that if key is not digit then cancel the input.

     private void dataGridView1_EditingControlShowing(object sender,     DataGridViewEditingControlShowingEventArgs e)
{
e.Control.KeyPress -= new KeyPressEventHandler(Column1_KeyPress);
if (dataGridView1.CurrentCell.ColumnIndex == 0) //Desired Column
{
TextBox tb = e.Control as TextBox;
if (tb != null)
{
    tb.KeyPress += new KeyPressEventHandler(Column1_KeyPress);
}
}
}

private void Column1_KeyPress(object sender, KeyPressEventArgs e)
{
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar))
{
e.Handled = true;
}
}

Code Coutesy-Make a specific column only accept numeric value in datagridview in Keypress event

Community
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v2v2
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  • Thank you , but that make all the column, but i want to make one test box on that column on the 3rd row ? – KAS May 25 '15 at 19:32
  • Did you changed ColumnIndex == **[Desired column No]** and then you can writeanother IFLoop to find textbox of your choice . OR as second option you can use RowDataBound event of gridview. – v2v2 May 26 '15 at 09:26