Sorting a Dropdownlist

Question

Hi, How to sort the item in a dropdownlist in asp.net ?

Satyapriya Nayak · Answer

Hi rohatash, Here is your solution using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; public partial class Default3 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { DropDownList1.Items.Add("raj"); DropDownList1.Items.Add("Berry"); DropDownList1.Items.Add("Arun"); DropDownList1.Items.Add("Crish"); SortDDL(ref this.DropDownList1); } private void SortDDL(ref DropDownList objDDL) { ArrayList textList = new ArrayList(); ArrayList valueList = new ArrayList(); foreach (ListItem li in objDDL.Items) { textList.Add(li.Text); } textList.Sort(); foreach (object item in textList) { string value = objDDL.Items.FindByText(item.ToString()).Value; valueList.Add(value); } objDDL.Items.Clear(); for (int i = 0; i { ListItem objItem = new ListItem(textList[i].ToString(), valueList[i].ToString()); objDDL.Items.Add(objItem); } } } Thanks If this post helps you mark it as answer

Prabhu Raja · Answer

Hi kumar, Right Click DropdownList and Goto Properties -> You can find a Property names SORTED -> Make this property from false to true. it will automatically sort all the items ------------------------------------------------------------------- If this post helps you, then mark as "Correct Answer"

Sorting a Dropdownlist

Answers (2)