我调用存储过程时怎么用进度条.
#region 带output参数的存储过程 public string getStoredProcedure2(string storedProcedureName) { getcon(); string strReturnRows = ""; string sql = String.Format("EXECUTE " + storedProcedureName + " @allRows OUTPUT"); //执行的T-SQL串 SqlCommand cmd = new SqlCommand(sql, My_con); cmd.Parameters.Add(new SqlParameter("@allRows", SqlDbType.Int)); cmd.Parameters["@allRows"].Direction = ParameterDirection.Output; cmd.CommandTimeout = 1000; cmd.ExecuteNonQuery(); //worker.ReportProgress((int) cmd.Parameters["@allRows"].Value); strReturnRows = cmd.Parameters["@allRows"].Value.ToString(); con_close(); return strReturnRows; } #endregion