Update control within formview insertitemtemplate

[raphael232]

Hi, i have the following formview:

<asp:FormView ID="FormView1" runat="server" DataSourceID="ObjectDataSource1" DefaultMode="Insert">
    <InsertItemTemplate>
        Title: <asp:TextBox ID="txtTitle" runat="server"></asp:TextBox>
        Category: <asp:DropDownList ID="lstCategoryID" runat="server">
        </asp:DropDownList>
    </InsertItemTemplate>
</asp:FormView>

I need to be able to update the dropdownlist control to add in the categories for my page. Before (when i did not use a formview) i would have put:

Dim items As New ListItemCollection
Dim topItem As New ListItem

topItem.Text = "-- Please Select --"
topItem.Value = ""
items.Add(topItem)

lstCategoryID.DataSource = Utilities.GetCategoriesList(items, 0, "")
lstCategoryID.DataTextField = "Text"
lstCategoryID.DataValueField = "Value"
lstCategoryID.DataBind()

in my page load event handler but now i have moved it within my formview it doesn't seem to work. Appreciate if someone could tell me how to fix this. Thanks

 

[ca8msm]

You'll have to use FindControl to get a reference to the DropDownList then you can do the same as you have done above.


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[tperri]

Couldn't you just do this?

<asp:FormView ID="FormView1" runat="server" DataSourceID="ObjectDataSource1" DefaultMode="Insert">
    <InsertItemTemplate>
        Title: <asp:TextBox ID="txtTitle" runat="server"></asp:TextBox>
        Category: <asp:DropDownList ID="lstCategoryID" runat="server" DataTextField="Text" DataValueField="Value" DataSource='<%# Utilities.GetCategoriesList(items, 0, "")   %>'>
        </asp:DropDownList>
    </InsertItemTemplate>
</asp:FormView>

 

[raphael232]

Hi cheers i can get both methods working but i need to pass a variable called categoryID in the getCategoriesList above, ie:

<%# Utilities.GetCategoriesList(Nothing, categoryID, "") %>

but when i run this i get sectionID is not declared. How do i pass this variable to the function from my page load event handler?

Appreciate your help once more. Thanks

 

[tperri]

Perhaps you should set up a property that stores that value and in your GetCategoriesList method you retrieve the value there after setting it in the Page_Load?

 

[jbenson001]

This should be done in the code behind page. Try

lstCategoryID.DataSource = Utilities.GetCategoriesList(Nothing, categoryID, "")

Jim