前台：
<!--样式，隔行换色-->
<style type="text/css">
.gridview
{
border:0;
background-color:#ccc;/*网格颜色*/
}
.gridview th
{
border: 0;
background-color:#eee;
line-height:200%;
}
.gridview tr
{
background-color:White
}
.gridview td
{
padding: 6px 4px;
border:0;
}
.gridview .dgItem:hover
{
background-color:#f4fc6e;
}
.gridview .dgAlter
{
background-color: #f0f8ff;
}
.gridview .dgAlter:hover
{
background-color:#f4fc6e;
}
</style>
<script language="javascript" type="text/javascript">
function setPageIndex(pageindex) {
document.getElementById('litPageIndex').value = pageindex;
}
</script>
<div>
<input type="hidden" id="litPageIndex" runat="server" />
<span style="float: left">查找结果：共<%=recordCount%>个</span>
<span style="float: right; margin-right: 0px">总页数：<%=pageCount %>
<span onclick="setPageIndex(<%= pageIndex-1 %>)"><a runat="server" onserverclick="GoToPage">前一页</a></span>
<span onclick="setPageIndex(<%= pageIndex+1 %>)"><a runat="server" onserverclick="GoToPage">后一页</a></span> 当前页：
<input type="text" id="txtPInd1" value="<%=pageIndex %>" size="4" />
<asp:Button runat="server" OnClientClick="setPageIndex(document.getElementById('txtPInd1').value)" OnClick="GoToPage" Text="Go" />
</span>
</div>
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" CssClass="gridview"
CellPadding="2" CellSpacing="1" GridLines="None" AlternatingRowStyle-CssClass="dgAlter" OnRowDataBound="GridView1_RowDataBound" OnRowCommand="GridView1_RowCommand" >
<RowStyle CssClass="dgItem" />
<Columns>
<asp:TemplateField HeaderText="上线时间">
<HeaderTemplate>
<asp:LinkButton ID="lbAddDate" runat="server" CommandName="Sort" CommandArgument="AddDate,Desc">上线时间</asp:LinkButton>
</HeaderTemplate>
<ItemTemplate>
<asp:Label ID="AddDate" runat="server" Text='<%# Convert.ToDateTime(DataBinder.Eval(Container.DataItem, "AddDate")).ToString("yyyy-MM-dd HH:mm:ss") %>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" Width="80px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="章节数">
<HeaderTemplate>
<asp:LinkButton ID="lbChaptersCount" runat="server" CommandName="Sort" CommandArgument="ChaptersCount,Desc">章节数</asp:LinkButton>
</HeaderTemplate>
<ItemTemplate>
<asp:Label ID="Chapters" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "ChaptersCount") %>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" Width="80px" />
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<div>
<span style="float: left">查找结果：共<%=recordCount%>个</span> <span style="float: right; margin-right: 0px">
总页数：<%=pageCount %> <span onclick="setPageIndex(<%= pageIndex-1 %>)"><a
id="A1" runat="server" onserverclick="GoToPage">前一页</a></span> <span onclick="setPageIndex(<%= pageIndex+1 %>)">
<a id="A2" runat="server" onserverclick="GoToPage">后一页</a></span> 当前页：
<input type="text" id="txtPInd2" value="<%=pageIndex %>" size="4" />
<asp:Button ID="Button1" runat="server" OnClientClick="setPageIndex(document.getElementById('txtPInd2').value)"
OnClick="GoToPage" Text="Go" />
</span>
</div>
后台：
private string SortExpression
{
get
{
if(ViewState["SortExpression"]+""=="")
ViewState["SortExpression"]="AddDate";
return ViewState["SortExpression"]+"";
}
set
{
ViewState["SortExpression"] = value;
}
}
private string SortDirection
{
get
{
if (ViewState["SortDirection"] + "" == "")
ViewState["SortDirection"] = "Desc";
return ViewState["SortDirection"] + "";
}
set
{
ViewState["SortDirection"] = value;
}
}
private string tempSortID
{
get
{
if (ViewState["tempSortID"] + "" == "")
ViewState["tempSortID"] = "ldAddDate";
return ViewState["tempSortID"] + "";
}
set
{
ViewState["tempSortID"] = value;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Utility.IsNumber(litPageIndex.Value))
{
int.TryParse(litPageIndex.Value, out pageIndex);
}
}
public int recordCount=0;
public int pageIndex = 1;
public int pageCount = 0;
int pageSize = 20;
protected void Search_Click(object sender, EventArgs e)
{
pageIndex = 1;
BindData();
}
void BindData()
{
SqlParameter[] para ={ new SqlParameter("@KDateStart",SqlDbType.Date),
new SqlParameter("@KDateEnd",SqlDbType.Date),
new SqlParameter("@KType",SqlDbType.Int),
new SqlParameter("@IsSuccess",SqlDbType.Bit)
};
string sqlselect = "KWord,sum(KCount) as KCount";
string sqlfrom = @" from KeyWord where 1=1";
string sqlwhere = "";
string sqlorder = string.Format(" order by {0} {1}", SortExpression, SortDirection);
string sqlgroupby = " group by KWord";
if (Sxmobi.Tools.IsDatetime(txtStartDate.Value))
{
para[0].Value = Convert.ToDateTime(txtStartDate.Value);
sqlwhere += " and DateDiff(d,KDate,@KDateStart)<=0";
}
if (Sxmobi.Tools.IsDatetime(txtEndDate.Value))
{
para[1].Value = Convert.ToDateTime(txtEndDate.Value);
sqlwhere += " and DateDiff(d,KDate,@KDateEnd)>=0";
}
if (Sxmobi.Tools.IsInt(selPID.Value))
{
para[2].Value = selPID.Value;
sqlwhere += " and KType=@KType";
}
if (selStatus.Value!="")
{
para[3].Value = (selStatus.Value == "1") ? true : false;
sqlwhere += " and IsSuccess=@IsSuccess";
}
string sqlCount = "select count(0) from (select 0 as c " + sqlfrom + sqlwhere+ sqlgroupby+") t";
object obj = Sxmobi.SqlHelper.ExecuteScalar(SiteConfig.DBConnectionString, CommandType.Text, sqlCount, para);
recordCount = 0;
int.TryParse(obj + "", out recordCount);
if (recordCount> 0)
{
pageCount = recordCount/ pageSize;
if (pageCount * pageSize < recordCount) pageCount++;
if (pageIndex > pageCount)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('已经是最后一页')</script>");
pageIndex = pageCount;
}
if (pageIndex < 1)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('已经是第一页')</script>");
pageIndex = 1;
}
string sql = GetSqlByPage(sqlselect, sqlfrom, sqlwhere, sqlorder, sqlgroupby);
DataTable dt = Sxmobi.SqlHelper.ExecuteDataTable(SiteConfig.DBConnectionString, CommandType.Text, sql, para);
gv.DataSource = dt;
gv.DataBind();
}
else
{
pageIndex = 0;
pageCount = 0;
gv.DataSource = null;
gv.DataBind();
}
ShowPageMsg();
}
string GetSqlByPage(string sqlSelect, string sqlFrom, string sqlWhere, string sqlOrder, string sqlGroupby)
{
string sql = @" SELECT TOP " + pageSize + @" *
FROM
(
SELECT ROW_NUMBER() OVER (" + sqlOrder + ") AS RowNumber," + sqlSelect + sqlFrom + sqlWhere + sqlGroupby + @"
) Ab
WHERE RowNumber > " + pageSize * (pageIndex - 1) + " order by RowNumber";
return sql;
}
void ShowPageMsg()
{
litPageIndex.Value = pageIndex>0?pageIndex.ToString():"";
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Sort")
{
string[] str = e.CommandArgument.ToString().Split(',');
SortExpression = str[0];
SortDirection = str[1];
if (SortDirection == "") SortDirection = "Desc";
LinkButton lb = (LinkButton)e.CommandSource;
tempSortID = lb.ID;
pageIndex = 1;
BindData();
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)
{
if (tempSortID != "")
{
if (e.Row.FindControl(tempSortID) != null)
{
LinkButton lb = (LinkButton)e.Row.FindControl(tempSortID);
lb.CommandArgument = SortExpression + ",AscDesc".Replace(SortDirection, "");//改变排序方向
string arrow = (SortDirection.ToUpper() == "ASC") ? "↑" : "↓";
lb.Text = arrow + lb.Text;
}
}
}
}
protected void GoToPage(object sender, EventArgs e)
{
BindData();
}