/// <summary>
/// 获取DataSet 带排序
/// </summary>
/// <param name="typedb">数据库连接对象</param>
/// <param name="selectTarget">查询对象</param>
/// <param name="columns">查询的列</param>
/// <param name="strWhere">查询条件</param>
/// <param name="orderBy">排序方式</param>
/// <param name="page">当前页</param>
/// <param name="rowsPerPage">页面显示记录数 小于等于0 不分页</param>
/// <param name="tolalCount">返回记录集合</param>
/// <returns></returns>
public DataSet GetDataSetOrderBy(DataBaseHelper.typedb typedb, string selectTarget, string columns, string strWhere, string orderBy, int page, int rowsPerPage, out int tolalCount)
{
//查询条件
if (strWhere != "" && strWhere != null && strWhere != "null")
{
strWhere = " where " + strWhere;
}
else
{
strWhere = "";
}
//调用查询数据的方法。
string strSQL = GetListSQL(selectTarget, columns, rowsPerPage, page, orderBy, strWhere);
//组织获取记录数SQL
string strTotalSQL = "select count(1) from " + selectTarget + strWhere;;
//创建连接的数据库
Database dbbase = DataBaseHelper.CreateDataBase(typedb);
using (DbCommand cmd = dbbase.GetSqlStringCommand(strTotalSQL))
{
tolalCount = Convert.ToInt32(dbbase.ExecuteScalar(cmd));
}
//接收返回的结果数据。
DataSet ds = null;
using (DbCommand cmd = dbbase.GetSqlStringCommand(strSQL))
{
ds = dbbase.ExecuteDataSet(cmd);
}
return(ds);
}
/// <summary>
/// 获取DataSet groupby排序
/// </summary>
/// <param name="typedb">数据库连接对象</param>
/// <param name="selectTarget">查询对象</param>
/// <param name="columns">查询的列</param>
/// <param name="strWhere">查询条件</param>
/// <param name="orderBy">排序方式</param>
/// <param name="page">当前页</param>
/// <param name="rowsPerPage">页面显示记录数 小于等于0 不分页</param>
/// <param name="tolalCount">返回记录集合</param>
/// <returns></returns>
/// <returns></returns>
public DataSet GetDataSetGroupBy(DataBaseHelper.typedb typedb, string selectTarget, string columns, string strWhere, string orderBy, string gruopby, int page, int rowsPerPage, out int tolalCount)
{
//查询条件
//if (strWhere != "")
//**************修改 日期：2014-1-9 修改 人 王桑
if (strWhere != "" && strWhere != null && strWhere != "null")
{
strWhere = " where " + strWhere;
}
else
{
strWhere = "";
}
if (gruopby != "" && gruopby != null && gruopby != "null")
{
gruopby = " group by " + gruopby;
}
else
{
gruopby = "";
}
string strSQL = GetListSQLS(selectTarget, columns, rowsPerPage, page, orderBy, strWhere, gruopby);
//组织获取记录数SQL
//string strTotalSQL = "select count(1) from " + selectTarget + strWhere + gruopby;
string strTotalSQL = "SELECT count(1) FROM " + selectTarget + " "
+ strWhere + " " + gruopby + " " + strOrderBy;
Database dbbase = DataBaseHelper.CreateDataBase(typedb);
using (DbCommand cmd = dbbase.GetSqlStringCommand(strTotalSQL))
{
DataTable dt = dbbase.ExecuteDataSet(cmd).Tables[0];
//添加判断如果查询不到的时候进行验证 2016年4月1日20:52:45 王岩松
if (dt.Rows.Count > 0)
{
if (dt.Rows.Count == 1)
{
tolalCount = int.Parse(dt.Rows[0][0].ToString());
}
else
{
tolalCount = dt.Rows.Count;
}
//tolalCount = int.Parse(Convert.ToString(dbbase.ExecuteScalar(cmd)));
}
else
{
tolalCount = 0;
}
}
DataSet ds = null;
using (DbCommand cmd = dbbase.GetSqlStringCommand(strSQL))
{
ds = dbbase.ExecuteDataSet(cmd);
}
return(ds);
}