private void btnUpdate_Click(object sender, EventArgs e) { gvGrp.AutoGenerateColumns = false; txtId.Enabled = true; bool sgrp = false; bool rgrp = false; Contacts.Service1 ser = new Contacts.Service1(); string grp = ser.grpCreator(myUtill.loginUser.Userid); ser.UpdateGroup(txtId.Text, txtGrp.Text, grp, out sgrp, out rgrp); BindingSource bs = new BindingSource(); bs.DataSource = ser.GetData(myUtill.loginUser.Userid); gvGrp.DataSource = bs; lblmsg.Text = "Successfully Updated "; }