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A Quick Tip – On Binding Enums to a DropdownList

January 13, 2012

Here’s a really handy tip for binding an enum to a DropDownList component in ASP.NET, all you need to do is to write a HashTable with your enumerated type, and convert the value, and key of that enumeration to the Hashtable object and set it as the datasource of the DropdownbList. Here’s how: –

protected void Page_Load(object sender, EventArgs e)
Hashtable ht = GetEnumForBind(typeof(YourEnum));
DropDownList1.DataSource = ht;
DropDownList1.DataTextField = “value”;
DropDownList1.DataValueField = “key”;



public Hashtable GetEnumForBind(Type enumeration)
string[] names = Enum.GetNames(enumeration);
Array values = Enum.GetValues(enumeration);
Hashtable ht = new Hashtable();
for (int i = 0; i < names.Length; i++)
ht.Add(Convert.ToInt32(values.GetValue(i)).ToString(), names[i]);
return ht;


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