C# winform uses try catch to catch errors

        private void Check_Privilege()
        {
            //g_iPrivilege = ClientUtils.GetPrivilege(g_sUserID, g_sFunction, g_sProgram);
            try
            {
                g_iPrivilege = plantform.GetPrivilege();
                btnAppend.Enabled = (g_iPrivilege >= 1);
                btnModify.Enabled = (g_iPrivilege >= 1);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

           // g_iReleasePri = ClientUtils.GetPrivilege(g_sUserID, "W/O Release", g_sProgram);
            }