DataGridView: Change Edit Control size while editing

Question

in the DataGridView I want the cell size to expand according to the string length when I edit the cell. Excel does the same.

In the DataGridView, w

Answer 1

This was work for me:

Enable KeyPreview Property of the form and change the body of KeyPress Event of the form to this:

private void Form1_KeyPress(object sender, KeyPressEventArgs e)
{
            if (e.KeyChar!='\b')   //discard backspace
            {
              dataGridView1.Columns[0].Width += 5;  //the column's index or name

            }
            else
            {
                dataGridView1.Columns[0].Width -= 5;  //for backspase pressing
            }
}

you can limit the pressed keys with e.KeyChar ;