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protected void Page_Load(object sender, EventArgs e)

drp_cat.Text = "choose items";
string[] dirs = Directory.GetDirectories(Request.PhysicalApplicationPath + "Docs");
foreach (string dir in dirs)


in page load i have written above code. now i want the selected item in the dropdown box which will bring corresponding items and show in list box. but i cant do it. pls help me.

SelectedItem[^] should give you what you want.
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e.g.: Design DropDownBox & ListBox Control On Your Page.

On Page_Load Event...

string __sDropDownItem = Combo.SelectedValue.ToString();

string __sArray = Directory.GetDirectories(Path.Combine(sYourPath, __sDropDownItem ));


foreach(string __s in __sArray)
List.Items.Add(__s, __s);
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