private void addbtn_Click(object sender, EventArgs e) { string code = vad.Text; string desc = desctxt.Text; string acc = accodetxt.Text; string ad1 = ad1txt.Text; string ad2 = ad2txt.Text; string ph = phtxt.Text; string fax = faxtxt.Text; string city = citytxt.Text; string de = detxt.Text; if (!Validator.IsValidString(code)) { GUIutils.ShowMessage(" COde Is Not Valid"); return; } if (Party.Isexist(code)) { GUIutils.ShowMessage(" Code Already Exists"); return; } if (!Validator.IsValidString(desc)) { GUIutils.ShowMessage(" Name Is Not Valid"); return; } if (!Validator.IsValidString(ad1)) { GUIutils.ShowMessage(" Address Is Not Valid"); return; } if (!Validator.IsValidString(ph)) { GUIutils.ShowMessage(" Phone No Is Not Valid"); return; } if (!Validator.IsValidString(city)) { GUIutils.ShowMessage(" City Is Not Valid"); return; } Party.AddParty(code, desc, acc, ad1, ad2, ph, fax, city, de); vad.Clear(); desctxt.Clear(); accodetxt.Clear(); ad1txt.Clear(); ad2txt.Clear(); phtxt.Clear(); faxtxt.Clear(); citytxt.Clear(); detxt.Clear(); }