string strSql = "select * from table where 1=1 ";
string sql_count = "select count(1) from table where 1=1 ";
string sql_where = "";
string sql_order = " order by col desc ";
if (paras.Length > 0)
{
if (paras[0] != null && paras[0] != "")
{
sql_where = " and col2 like \'" + paras[0] + "%\'";
}
if (paras[1] != null && paras[1] != "")
{
sql_where += " and col3 > to_date(\'" + paras[1] + "\',\'yyyy-mm-dd hh24:mi:ss\') ";
}
}
strSql = strSql + sql_where + sql_order;
sql_count = sql_count + sql_where;
int from = 0, to = 0;
from = 1 + pageSize * (currentPage - 1);
to = pageSize * currentPage;
string sqlSelect = string.Format("SELECT * FROM (SELECT ROWNUM RN, A.* from ({0}) A WHERE ROWNUM <= {1}) A WHERE RN >= {2}",
strSql, to, from);