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EVEN CHEN
220
DropdownProvider
posted

How to bind DropdownProvider data(List) by sever side?

By the way,i want to create a Multi-Column WebDropDown as DropdownProvider .


I bind data by OnItemsRequested event,but it didn't worked.



<EditorProviders>
<ig:DropDownProvider ID="ddlSOPActionCode" >
<EditorControl ID="WebDropDown1" TextField="SOPActionCode" Width="150px" ValueField="SOPActionCode" OnItemsRequested="WebDropDown1_ItemsRequested"
runat="server" >
<DropDownItemBinding TextField="SOPActionCode" ValueField="SOPActionCode"></DropDownItemBinding>
</EditorControl>
</ig:DropDownProvider>
</EditorProviders>
<Behaviors>
<ig:EditingCore BatchUpdating="true">
<EditingClientEvents CellValueChanging="uwgSOP_Editing_CellValueChanging" />
<Behaviors>
<ig:CellEditing Enabled="true">
<ColumnSettings>
<ig:EditingColumnSetting ColumnKey="SOPActionCode" EditorID="ddlSOPActionCode" />
</ColumnSettings>
<CellEditingClientEvents EnteringEditMode="uwgSOP_CellEditing_EnteringEditMode">
</CellEditingClientEvents>
<EditModeActions EnableOnKeyPress="True" MouseClick="Single" EnableOnActive="true" />
</ig:CellEditing>
<ig:RowDeleting Enabled="true" />
<ig:RowAdding Alignment="Top" EditModeActions-EnableOnActive="true" EditModeActions-MouseClick="Single"
Enabled="false">
<EditModeActions MouseClick="Single" EnableOnActive="True"></EditModeActions>
<AddNewRowClientEvents />
</ig:RowAdding>
</Behaviors>
</ig:EditingCore>
</Behaviors>



  protected void WebDropDown1_ItemsRequested(object sender, Infragistics.Web.UI.ListControls.DropDownItemsRequestedEventArgs e)
    {

        string value = e.Value.ToString();
        Infragistics.Web.UI.ListControls.WebDropDown wdd = sender as  Infragistics.Web.UI.ListControls.WebDropDown;
        wdd.CurrentValue = "Select a Product";

        //Set the drop-down container width
        wdd.DropDownContainerWidth = 500;
        //Create a new drop-do
        Infragistics.Web.UI.ListControls.DropDownItem productsItem = new Infragistics.Web.UI.ListControls.DropDownItem();
        //Set the text of the drop-down item
        productsItem.Text = "SOPActionCode";
        productsItem.Value = "SOPActionCode";
        //Add the drop-down item to the WebDropDown
        wdd.Items.Add(productsItem);

        //Creat a template with WebDataGrid
        wdd.ItemTemplate = new MultiColumnTemplate();



        MultiColumnTemplate obj = new MultiColumnTemplate();
        obj.InstantiateIn(wdd);
        wdd.ClientEvents.ValueChanging = "wddAction_ValueChanging";


    }