C# (CSharp) DBAccessor.ApplicationID_Exists示例

        private Boolean CheckApplicationDetails()
        {
            if (AppDetailIsEmpty())
            {
                MessageBox.Show("Please Enter Proper details");
                return(false);
            }
            int appid = 1;

            try
            {
                appid = Convert.ToInt32(txtAppID.Text);
            }
            catch
            {
                MessageBox.Show("ApplicationID must be a valid number");
                return(false);
            }

            if (Accessor.ApplicationID_Exists(appid))
            {
                MessageBox.Show("ApplicationID Already Exists");
                return(false);
            }

            return(true);
        }