/// <summary>
/// 生成分页语句
/// </summary>
/// <param name="providerName"></param>
/// <param name="pager"></param>
/// <returns></returns>
public string CreatePagerSql(string providerName, WebPager pager)
{
string sql = "";
if (SqlCreateType == ControlSqlCreateType.RowNum)
{
if (providerName.IsEqualTo(DBProvider.SqlClient))
{
sql = CreateSqlByRowNum(pager.PageIndex, pager.PageSize);
}
else if (providerName.IsEqualTo(DBProvider.OracleClient))
{
sql = CreatePLSqlByRowNum(pager.PageIndex, pager.PageSize);
}
}
else if (sqlCreateType == ControlSqlCreateType.TopN)
{
if (providerName.IsEqualTo(DBProvider.SqlClient))
{
sql = CreatePagerSql(pager.RecordCount, pager.PageCount, pager.PageIndex, pager.PageSize);
}
else if (providerName.IsEqualTo(DBProvider.OracleClient))
{
string orderBy = "";
string sort = " desc";
if (ascending)
{
sort = " asc";
}
orderBy = primaryKey + sort;
sql = CreatePLSqlByRowNum(pager.PageIndex, pager.PageSize);
}
}
return(sql);
}