C#

toolStrip1.Items.Insert(2,new ToolStripControlHost(panel1));

sankar i wrote:

any way where we can read excel file in blocks("x" rows at a time)

static void Main(string[] args)
        {
            string connStr = @"Provider=Microsoft.Jet.OLEDB.4.0;;Data Source=C:\temp\XlsJetTest.xls;Extended Properties=""Excel 8.0;HDR=Yes;IMEX=1"";";
            OleDbConnection conn = new OleDbConnection(connStr);
            OleDbCommand comm = new OleDbCommand("select top 10 * from [Sheet1$]", conn);
            conn.Open();

            OleDbDataAdapter da = new OleDbDataAdapter(comm.CommandText, conn);
            DataTable dt = new DataTable();
            da.Fill(dt);

            Console.WriteLine("RowCount:\t{0}", dt.Rows.Count);
            Console.ReadLine();
        }