Tree view control binding problem

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C#

ASP.NET

I am trying to bind the dataset to tree view control in following way but system raising the following error.


TreeNode no = new TreeNode();
DataSet ds = new DataSet();
ds = objTreebl.BindClass();
for (int i = 0; i<= ds.Tables[0].Rows.Count; i++)
{
no.Text =ds.Tables[0].Rows[i]["Class"].ToString();
no.Value = ds.Tables[0].Rows[i]["Class"].ToString();

this.Tree.Nodes.Add(no);


Error message:Index must be within the bounds of the List.
Parameter name: index