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 ";
}