gridview 排序_gridview控件使用详解

编程小6 (1) 2024-06-28 08:12

Hi，大家好，我是编程小6，很荣幸遇见你，我把这些年在开发过程中遇到的问题或想法写出来，今天说一说
gridview 排序_gridview控件使用详解,希望能够帮助你!!!。

使用javascript操作table排序才是实用的排序，这样排序不怎么好，但是有时候可能会用来，记录一下。

前台：

gridview 排序_gridview控件使用详解_https://bianchenghao6.com/blog__第1张

gridview 排序_gridview控件使用详解_https://bianchenghao6.com/blog__第2张

代码

<%
@ Page Language
=
"
C#
"
AutoEventWireup
=
"
true
"
CodeFile
=
"
GridViewSort.aspx.cs
"
Inherits
=
"
GridViewSort
"

%>

<!
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
>

<
html
xmlns
="http://www.w3.org/1999/xhtml"

>

<
head
runat
="server"
>


<
title
>
GridView排序简单实现
</
title
>

</
head
>

<
body
>


<
form
id
="form1"
runat
="server"
>


<
div
>


<
asp:GridView
ID
="gdvSort"
runat
="server"
OnSorting
="gdvSort_Sorting"
>


</
asp:GridView
>


</
div
>


</
form
>

</
body
>

</
html
>

后台：

代码

using
System;

using
System.Data;

using
System.Configuration;

using
System.Collections;

using
System.Web;

using
System.Web.Security;

using
System.Web.UI;

using
System.Web.UI.WebControls;

using
System.Web.UI.WebControls.WebParts;

using
System.Web.UI.HtmlControls;

public

partial

class
GridViewSort : System.Web.UI.Page
{


protected

void
Page_Load(
object
sender, EventArgs e)
    {


if
(
!
IsPostBack)
        {

            ViewState[
"
SortOrder
"
]
=

"
PID
"
;
            ViewState[
"
OrderDire
"
]
=

"
Desc
"
;
            Bind();
        }
    }

private

void
Bind()
    {

        gdvSort.AllowSorting
=

true
;
        DataView dv
=
getDt().DefaultView;
        dv.Sort
=
(
string
)ViewState[
"
SortOrder
"
]
+

"

"

+
(
string
)ViewState[
"
OrderDire
"
];
        gdvSort.DataSource
=
dv;
        gdvSort.DataBind();
    }

///

<summary>


///
连数据库麻烦，直接构造一个DataTable

///

</summary>


///

<returns></returns>


private
DataTable getDt()
    {

        DataTable dt
=

new
DataTable();
        dt.Columns.Add(
"
PID
"
,
typeof
(System.Int32));
        dt.Columns.Add(
"
UserName
"
,
typeof
(System.String));

for
(
int
i
=

0
; i
<

10
; i
++
)
        {

            DataRow dr
=
dt.NewRow();
            dr[
"
PID
"
]
=
i;
            dr[
"
UserName
"
]
=

"
姓名
"

+
i;
            dt.Rows.Add(dr);
        }

return
dt;
    }

protected

void
gdvSort_Sorting(
object
sender, GridViewSortEventArgs e)
    {


string
sPage
=
e.SortExpression;

if
(ViewState[
"
SortOrder
"
].ToString()
==
sPage)
        {


if
(ViewState[
"
OrderDire
"
].ToString()
==

"
Desc
"
)
            {

                ViewState[
"
OrderDire
"
]
=

"
Asc
"
;
            }

else

            {

                ViewState[
"
OrderDire
"
]
=

"
Desc
"
;
            }
        }

else

            ViewState[
"
SortOrder
"
]
=
e.SortExpression;
        Bind();
    }
}