- CREATE PROCEDURE pagination
- @tblName varchar(255), -- 表名
- @strGetFields varchar(1000) = ’*’, -- 需要返回的列
- @fldName varchar(255)=’’, -- 排序的字段名
- @PageSize int , -- 页尺寸
- @PageIndex int, -- 页码
- @doCount bit , -- 返回记录总数, 非 0 值则返回
- @OrderType bit , -- 设置排序类型, 非 0 值则降序
- @strWhere varchar(1500) = ’’ -- 查询条件 (注意: 不要加 where)
- AS
- declare @strSQL varchar(5000) -- 主语句
- declare @strTmp varchar(110) -- 临时变量
- declare @strOrder varchar(400) -- 排序类型
-
- if @doCount != 0
- begin
- if @strWhere !=’’
- set @strSQL = "select count(*) as Total from [" + @tblName + "] where "+@strWhere
- else
- set @strSQL = "select count(*) as Total from [" + @tblName + "]"
- end
- --以上代码的意思是如果@doCount传递过来的不是0,就执行总数统计。以下的所有代码都是@doCount为0的情况
- else
- begin
-
- if @OrderType != 0
- begin
- set @strTmp = "<(select min"
- set @strOrder = " order by [" + @fldName +"] desc"
- --如果@OrderType不是0,就执行降序,这句很重要!
- end
- else
- begin
- set @strTmp = ">(select max"
- set @strOrder = " order by [" + @fldName +"] asc"
- end
-
- if @PageIndex = 1
- begin
- if @strWhere != ’’
- set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from [" + @tblName + "] where " + @strWhere + " " + @strOrder
- else
- set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["+ @tblName + "] "+ @strOrder
- --如果是第一页就执行以上代码,这样会加快执行速度
- end
- else
- begin
- --以下代码赋予了@strSQL以真正执行的SQL代码
- set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
- + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder
-
- if @strWhere != ’’
- set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
- + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
- + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
- + @fldName + "] from [" + @tblName + "] where " + @strWhere + " "
- + @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder
- end
- end
- exec (@strSQL)
- GO
-
- 调用的程序(为了通用性,我写了一个方法,大家可以提意见,也可以对其进行修改,多多交换意见,共同进步)
- private static DataSet GetCustomersData(string tblName, string strGetFields,string fldName, int PageSize, int PageIndex, int doCount, int OrderType, string strWhere)
- {
- string connString = ConfigurationSettings.AppSettings["connstr"];
- SqlConnection conn = new SqlConnection(connString);
- SqlCommand comm = new SqlCommand("pagination3", conn);
-
- comm.Parameters.Add(new SqlParameter("@tblName", SqlDbType.VarChar));//表名
- comm.Parameters[0].Value =tblName ;
- comm.Parameters.Add(new SqlParameter("@strGetFields", SqlDbType.VarChar));//返回的列
- comm.Parameters[1].Value = strGetFields;
- comm.Parameters.Add(new SqlParameter("@fldName", SqlDbType.VarChar));//排序的字段名
- comm.Parameters[2].Value = fldName;
- comm.Parameters.Add(new SqlParameter("@PageSize",SqlDbType.Int));//页尺寸
- comm.Parameters[3].Value = PageSize;
- comm.Parameters.Add(new SqlParameter("@PageIndex", SqlDbType.Int));//页码
- comm.Parameters[4].Value = PageIndex;
- comm.Parameters.Add(new SqlParameter("@doCount", SqlDbType.Int));//是否返回记录总数,0为不返回,1为返回
- comm.Parameters[5].Value = doCount;
- comm.Parameters.Add(new SqlParameter("@OrderType", SqlDbType.Int));//设置排序类型,0为升序,非0为降序
- comm.Parameters[6].Value = OrderType;
- comm.Parameters.Add(new SqlParameter("@strWhere", SqlDbType.VarChar));//where语句
- comm.Parameters[7].Value = strWhere;
- comm.CommandType = CommandType.StoredProcedure;
- SqlDataAdapter dataAdapter = new SqlDataAdapter(comm);
- DataSet ds = new DataSet();
- dataAdapter.Fill(ds);
- return ds;
- }
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