protected void btnInsert_Click(object sender, EventArgs e) { DBOps db = new DBOps(); string _key = txtInsertKey.Text; string _value = (txtInsertValue.Text); long contactno = long.Parse(txtContactNo.Text); int retval = db.InsertSupplierTable(_key, _value, contactno); lblInsertInfo.Text = retval.ToString() + " rows inserted"; lblInsertInfo.DataBind(); RefreshTable(); }