Hello friend.
Need more clarification where u want to pass parameter.
if u r using SQLHelper then pass parameter like
SqlParameter[] SqlPara = new SqlParameter[1];
SqlPara[0] = new SqlParameter("@prmDistrictID", SqlDbType.Int);
SqlPara[0].Value = DistrictID;
SQLHelper.FillDropDown(DDLlist, "TalukaName", "TalukaID", "Pr_ddlTaluka_Select", SqlPara);
return true;