Hi all,

The following is a part of a class that I have created for manual scaffolding

[ScaffoldTable(true)]

    [MetadataType(typeof(PROJECT_INITIATIVEMetaData))]

    [DisplayName("Projects/Initiatives - المبادرات أو المشاريع")]

    public partial class PROJECT_INITIATIVE

    {  //planned end date must be greated than planned start date

        partial void OnPROJECT_PLANNED_END_DATEChanging(Nullable<global::System.DateTime> value)

             {

                 if (value != null && value < Convert.ToDateTime(this.PROJECT_PLANNED_START_DATE))

                 {

                     throw new ValidationException("Planned end date must be greated than planned start date.");

                 }

             }

        //***************************************************************************

    }

    public class PROJECT_INITIATIVEMetaData

        {

            [ScaffoldColumn(false)] 

            public object PROJECT_ID { get; set; }

            [DisplayName("Project Code- رمز المشروع")]

            public object PROJECT_CODE { get; set; }

            [DisplayName("أسم المشروع")]

            public object PROJECT_DESC_ARB{ get; set; }

             // [Display(Name = " Project Name", Order = 3)]

             [DisplayName("Project Name")]

             public object PROJECT_DESC_ENG { get; set; }

             [DisplayName("خطة الإنطلاق")]

             public object PROJECT_BASELINE_ARB { get; set; }

             [DisplayName("Project Baseline")]

             public object PROJECT_BASELINE_ENG { get; set; }

             [UIHint("Date")]

             [DisplayName("Planned Start Date-التاريخ المتوقع للبدء")]

             public object PROJECT_PLANNED_START_DATE { get; set; }

             [UIHint("Date")]

             [DisplayName("Planned End Date-التاريخ المتوقع للانتهاء ")]

             public object PROJECT_PLANNED_END_DATE { get; set; }

             [UIHint("Date")]

             [DisplayName("Actual Start Date-التاريخ الفعلي للبدء")]

             public object PROJECT_ACTUAL_START_DATE { get; set; }

              [UIHint("Date")]

             [DisplayName("Actual End Date-التاريخ الفعلي للانتهاء ")]

             public object PROJECT_ACTUAL_END_DATE { get; set; }          

         }

In table  PROJECT_INITIATIVE I have “planned start date” and “planned end date”, I have to make sure that the planned end date is greater that the planned start date.

As mentioned above I wrote the following code for the validation

        partial void OnPROJECT_PLANNED_END_DATEChanging(Nullable<global::System.DateTime> value)

             {

                 if (value != null && value < Convert.ToDateTime(this.PROJECT_PLANNED_START_DATE))

                 {

                     throw new ValidationException("Planned end date must be greated than planned start date.");

                 }

             }

How can I display the error in the list validation errors and avoid getting “ValidationExceptionwas unhandled by user code" error

• "Date" is a custom field template that was created to display a Calendar control for editing dates.