public DataTable FindTable(string strSql)
{
using (DbConnection conn = new MySqlConnection(DbHelper.connstring))
{
var IDataReader = new DbHelper(conn).ExecuteReader(strSql);
return(ConvertExtension.IDataReaderToDataTable(IDataReader));
}
}
public IEnumerable <T> FindListBySql <T>(string strSql, DbParameter[] dbParameter, string orderField, bool isAsc, int pageSize, int pageIndex, out int total)
{
using (DbConnection conn = new MySqlConnection(DbHelper.connstring))
{
StringBuilder sb = new StringBuilder();
if (pageIndex == 0)
{
pageIndex = 1;
}
int num = (pageIndex - 1) * pageSize;
int num1 = (pageIndex) * pageSize;
string OrderBy = "";
if (!string.IsNullOrEmpty(orderField))
{
if (orderField.ToUpper().IndexOf("ASC") + orderField.ToUpper().IndexOf("DESC") > 0)
{
OrderBy = " Order By " + orderField;
}
else
{
OrderBy = " Order By " + orderField + " " + (isAsc ? "ASC" : "DESC");
}
}
else
{
OrderBy = " order by (select 0)";
}
#if SQLSERVER
sb.Append("Select * From (Select ROW_NUMBER() Over (" + OrderBy + ")");
sb.Append(" As rowNum, * From (" + strSql + ") As T ) As N Where rowNum > " + num + " And rowNum <= " + num1 + "");
#endif
sb.Append(strSql);
sb.Append(OrderBy);
sb.AppendFormat(" limit {0},{1}", num, pageSize);
total = Convert.ToInt32(new DbHelper(conn).ExecuteScalar("Select Count(1) From (" + strSql + ") As t"));
IDataReader rdr = new DbHelper(conn).ExecuteReader(sb.ToString());
return(ConvertExtension.IDataReaderToList <T>(rdr));
}
}
