利用jQuery 实现GridView异步排序、分页的代码

2020-05-23 06:19:57易采站长站整理

{
if (e.Row.RowType == DataControlRowType.Header)
{
for (int i = 1; i <= 7; i++)
{
LinkButton lt = (LinkButton)e.Row.Cells[i].Controls[0];
lt.Attributes[“href”] = “#”;
lt.OnClientClick = string.Format(” return sortDataGridView(‘{0}’,'{1}’)”, lt.CommandArgument, “ASC”);
}
}
if (e.Row.RowType == DataControlRowType.Pager)
{
e.Row.Visible = false;
}
}

到这一步,思路基本上已经清晰,剩下的事,就是在服务端响应ajax请求了,很简单,直接看代码,要注意是调用GridView的RendControl方法,输出html。

现在可以实现gridview的ajax排序和分页 ,总结一下思路其实很简单,但在实现的时还是走了点弯路,主要时原本想同通过code形式手工实例化一个GridView,但最终还是没有实现,因为我添加了一个模板列。在模板列中添加一个intput type=’Radio’ 我在code时继承ITemplate,但我确不知怎样实现value='<%#Eval(“operatePath”) %>’的绑定,这里留下一个问题吧,谁知道,请告诉我。

<asp:TemplateField HeaderText=”选择”>
<ItemTemplate>
<input id=”Radio1″ type=”radio” name=”Restore” value='<%#Eval(“operatePath”) %>’/><label for=”Radio1″>选择</label>
</ItemTemplate>
</asp:TemplateField>


代码

static string sortDirection = “ASC”;
protected void Page_Load(object sender, EventArgs e)
{
if (hasKeyName(“page”))
{
if (!string.IsNullOrEmpty(Request.QueryString[“page”].ToString()))
{
this.gvRestore.PageIndex = int.Parse(Request.QueryString[“page”].ToString());
ResponseData(this.gvRestore);
}
}
else
if (hasKeyName(“sortEx”))
{
string sortEx = Request.QueryString[“sortEx”].ToString();
string sortDir = Request.QueryString[“sortDir”].ToString();
if (string.Compare(sortDir, sortDirection, true) == 0)
{
this.gvRestore.Sort(sortEx, SortDirection.Ascending);
sortDirection = “DSAC”;
}
else
{
this.gvRestore.Sort(sortEx, SortDirection.Descending);
sortDirection = “ASC”;
}
ResponseData(this.gvRestore);
}
}
private bool hasKeyName(string key)
{
string[] keys = Request.QueryString.AllKeys;
foreach (string str in keys)
{
if (String.Compare(key, str, true) == 0)
return true;
}
return false;
}
private void ResponseData(GridView gv)
{
gv.DataSourceID = this.SqlDataSource1.ID;
System.Globalization.CultureInfo info = new System.Globalization.CultureInfo(“ZH-CN”, true);
System.IO.StringWriter sWriter = new System.IO.StringWriter(info);
System.Web.UI.HtmlTextWriter html = new HtmlTextWriter(sWriter);