protected void btn_update_Click( object sender, EventArgs e ) { //defaultStatus(); string cid = this.txtbox_careID.Text; string name = txtbox_name.Text; string gender = txtbox_gender.Text; string contactno = txtbox_contactno.Text; int age = int.Parse(this.txtbox_age.Text); if ( cid.Length > 0 && name.Length > 0 && gender.Length > 0 && contactno.Length > 0 && age.ToString().Length > 0 ) { BusinessTier.Admin admin = new BusinessTier.Admin(); Data.DataBase.caretakersDataTable table = new Data.DataBase.caretakersDataTable(); table = admin.SearchCareTakerByID(cid); if ( table.Rows.Count > 0 ) { admin.UpdateCareTaker(name, gender, contactno, age, cid); } else { this.lbl_idwarning.Text = "This ID is not exsit"; this.lbl_idwarning.BackColor = System.Drawing.Color.Red; } } else { errorWarning(); } }