ASP.NET

<script src="../js/jquery-ui.js"></script>
  <link href="../js/jquery-ui.css" rel="stylesheet" />

<input id="txtsearch" type="text" />

$('#txtsearch').autocomplete({
          source: '~/CategoryHandler.ashx'
      });

public void ProcessRequest(HttpContext context)
    {
        string name = context.Request["Name"] ?? "";
        List<string> ls = new List<string>();

        try
        {
            if (con.State == ConnectionState.Closed)
            {
                con.Open();
            }
            SqlCommand cmd = new SqlCommand("CategoryPro", con);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("@action", "ShowCategoryName");
            cmd.Parameters.AddWithValue("@serchname", name);
            cmd.Parameters.Add("@msg", SqlDbType.VarChar, 500);
            cmd.Parameters["@msg"].Direction = ParameterDirection.Output;

            SqlDataReader dr = cmd.ExecuteReader();

            while (dr.Read())
            {
                ls.Add(dr["Name"].ToString());

            }

        }
        catch (Exception ex)
        {
            throw ex;

        }

        finally
        {
            con.Close();
        }
        JavaScriptSerializer js = new JavaScriptSerializer();
        context.Response.Write(js.Serialize(ls));
    }

<asp:Label ID="lblPurchOnwer" Text='<%#Eval("buyername") %>' Style="width: 450px;
                                                                        color: #0093B2; font-weight: bold;" runat="server"></asp:Label>

C#
  var Buyernames = Eval("buyername");
  var bFName = Buyernames.Substring(0, Buyernames.IndexOf(" "));
  var bLName = Buyernames.Substring(Buyernames.IndexOf(" ") + 1);

<asp:Button ID="btnDelete" runat="server" Width="70" 
 Text="Remove" CommandName="Remove" 
 CommandArgument='<%# Container.ItemIndex %>' />

sp:Button ID="btnDelete" Style="width: 120px;" runat="server" Text="Remove a row"
OnClick="btnDelete_Click" CssClass="btnclass" />

otected void btnDelete_Click(object sender, EventArgs e)
{
    int rowIndex = 0;
    int rowID = e.RowIndex;
    lblTotal.Text = "0";
    if (ViewState["CurrTable"] != null)
    {
        DataTable dtCurrentTable = (DataTable)ViewState["CurrTable"];
        if (dtCurrentTable.Rows.Count > 0)
        {
            for (int i = 1; i <= Repeater1.Items.Count; i++)
            {
                TextBox tbboatregNum = (TextBox)Repeater1.Items[rowIndex].FindControl("txtboatregNum");
                TextBox tbPayerret = (TextBox)Repeater1.Items[rowIndex].FindControl("txtPayerret");
                TextBox tbCGvesselNum = (TextBox)Repeater1.Items[rowIndex].FindControl("cgaurdNumber");
                TextBox tbCGtaxpayerret = (TextBox)Repeater1.Items[rowIndex].FindControl("cguardreturnedval");
                dtCurrentTable.Rows[i - 1]["boatregNum"] = tbboatregNum.Text;
                dtCurrentTable.Rows[i - 1]["taxpayerret"] = tbPayerret.Text;
                dtCurrentTable.Rows[i - 1]["CGvesselNum"] = tbCGvesselNum.Text;
                dtCurrentTable.Rows[i - 1]["CGtaxpayerret"] = tbCGtaxpayerret.Text;
                rowIndex++;
            }

            if (e.RowIndex < dtCurrentTable.Rows.Count)
            {
                dtCurrentTable.Rows.Remove(dtCurrentTable.Rows[rowID]);
            }
        }

        ViewState["CurrTable"] = dtCurrentTable;
        Repeater1.DataSource = dtCurrentTable;
        Repeater1.DataBind();
    }

    SetPreviousData();
}