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Old September 24th, 2004, 04:39 PM
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Default Dynamically generated dropdownlist

Dear All;

I have a dynamically generated DropDownList, then I bind data from database to it. It displays the item correctly. But when I change the selected item and want to save the updated value, the selected item is always the first item, like ddl.SelectedIndex could not be changed.

 Does anyone have idea or it?



Old September 24th, 2004, 04:46 PM
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code example:

protected override void CreateChildControls()
    _myDropDownList = new DropDownList();
    _myDropDownList.EnableViewState = true;

    //autoPostback or not does not help.
    _myDropDownList.AutoPostBack = false;
    _myDropDownList.SelectedIndexChanged += new EventHandler(_myDropDownList_SelectedIndexChanged) ;

_myDropDownList.DataSource = dataTable.defaultView;
_myDropDownList.DataValueField = "col1";
_myDropDownList.DataTextField = "col2";

private void _myDropDownList_SelectedIndexChanged(object sender, EventArgs e){
 selIndex = _myDropDownList.SelectedIndex;
ViewState["selectedIndex"] = selIndex;

selIndex = 0 always.

Old September 25th, 2004, 12:25 PM
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Take a look at below link,it could help you in more detail
(I think you should post more codes like Page_Load and yourUpdateMethod)

Old April 8th, 2008, 07:38 AM
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Hello Chen,
I also have same problem?

Hello to everybody :
Do any one help us to get the actual work done..
Please do give us in step by step.

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