Ai vai o codigo:
TextBox txtId = (TextBox)e.Item.FindControl("TextBox3"); TextBox txtName = (TextBox)e.Item.FindControl("TextBox1"); sqlConnection1.Open(); sqlCmd.CommandText = "update Authors set au_lname = @lname where au_id = @id"; sqlCmd.CommandType = CommandType.Text; //Response.Write (txtName.Text); sqlCmd.Parameters.Add("@lname", SqlDbType.VarChar); sqlCmd.Parameters["@lname"].Value = txtName.Text; sqlCmd.Parameters.Add("@id", SqlDbType.VarChar); sqlCmd.Parameters["@id"].Value = txtId.Text; sqlCmd.ExecuteNonQuery(); dgAuthors.EditItemIndex = -1; sqlConnection1.Close(); Exibe();