Hi...
Finally,am find the solution to it.like blow.
string fromdate = txtfdt.Text;
DateTime fdt = Convert.ToDateTime(fromdate);
string todate = txttdt.Text;
DateTime tdt = Convert.ToDateTime(todate);
con = new OleDbConnection(cs);
cmd = new OleDbCommand("select * from DateWise where Date between @FDT and @TDT ", con);
cmd.Parameters.AddWithValue("@FDT", fdt);
cmd.Parameters.AddWithValue("@TDT", tdt);
con.Open();
cmd.ExecuteNonQuery();
OleDbDataAdapter da = new OleDbDataAdapter(cmd);
System.Data.DataTable dt = new System.Data.DataTable();
da.Fill(dt);
con.Close();
that textbox values are passed like parameters.thank u.