using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Linq;

using System.Text;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using Infragistics.Web.UI.ListControls;

using Infragistics.WebUI.UltraWebGrid;

using System.Data;

namespace ServerControl1

{

    [DefaultProperty("Text")]

    [ToolboxData("<{0}:CustomWebCombo runat=server></{0}:CustomWebCombo>")]

    public class CustomWebCombo : WebDropDown, INamingContainer

    {

        RequiredFieldValidator requiredFieldValidator = new RequiredFieldValidator();

        public CustomWebCombo()

        {

        }

        [Bindable(true)]

        [Category("Custom-Properties")]

        [DefaultValue("")]

        [Localizable(true)]

        public DataSet GridData

        {

            get

            {

                if (!DesignMode)

                {

                   DataSet s = (DataSet)Page.Session["UpdatedGridData" + this.ID];

                    return ((s == null) ? null : s);

                }

                return null;

            }

            set

            {

                Page.Session["UpdatedGridData" + this.ID] = value ;

            }

        }

        [Bindable(true)]

        [Category(" Custom Properties")]

        [DefaultValue(false)]

        [Localizable(true)]

        public bool Mandatory

        {

            get

            {

                if (ViewState["Mandatory"] != null)

                {

                    bool s = (bool)ViewState["Mandatory"];

                    return s;

                }

                else

                {

                    return false;

                }

            }

            set

            {

                ViewState["Mandatory"] = value;

            }

        }

        public string MandatoryErrorMessage

        {            get

            {

                String s = (String)ViewState["MandatoryErrorMessage"];

                return ((s == null) ? "Mandatory" : s);

            }

            set

            {

                ViewState["MandatoryErrorMessage"] = value;

            }

        }

        protected override void Render(HtmlTextWriter output)

        {

            base.Render(output);

        }

        protected override void CreateChildControls()

        {

            requiredFieldValidator = new RequiredFieldValidator();

            requiredFieldValidator.ID = "mandatroy" + this.ID;

            requiredFieldValidator.ErrorMessage = MandatoryErrorMessage ;

            requiredFieldValidator.ControlToValidate = this.ID   ;

            Controls.Add(requiredFieldValidator ); 

            base.CreateChildControls();  }  

    }

}