protected void ClintUsr_RowCommand(object sender, GridViewCommandEventArgs e)
            {
                ClintUsr.Columns[1].Visible = true;
                ClintUsr.Columns[3].Visible = true;
                ClintUsr.Columns[4].Visible = true;

                if (e.CommandName == "Edit")
                {
                    ImageButton Editimg = (ImageButton)e.CommandSource;

                    GridViewRow row = (GridViewRow)Editimg.NamingContainer;

                    LUser.Text = row.Cells[1].Text;
                    txtusrname.Text = row.Cells[2].Text;
            //        txtpass.Text = row.Cells[3].Text;
                    txtpass.Attributes["value"] = Convert.ToString(row.Cells[3]);
                    ddclientID.SelectedValue = row.Cells[4].Text;
                    ddactive.SelectedValue = row.Cells[6].Text;
                    ddactive.DataBind();
                    bind();


                    }
                    else
                    {

                    }
                    ClintUsr.Columns[1].Visible = false;
                    ClintUsr.Columns[3].Visible = false;
                    ClintUsr.Columns[4].Visible = false;



                }