📄 datagridsortexpression.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

字号:

<%@ Import Namespace="System.Data.SqlClient" %>

<Script Runat="Server">

Sub Page_Load
  If Not isPostBack Then
    BindDataGrid( "Title" )
  End If
End Sub

Sub BindDataGrid( strSortField As String )
  Dim conPubs As SqlConnection
  Dim cmdSelect As SqlCommand

  conPubs = New SqlConnection( "Server=localhost;UID=sa;PWD=secret;Database=Pubs" )
  cmdSelect = New SqlCommand( "Select * From Titles Order By " & strSortField, conPubs )
  conPubs.Open()
  dgrdTitles.DataSource = cmdSelect.ExecuteReader()
  dgrdTitles.DataBind()
  conPubs.Close()
End Sub

Sub dgrdTitles_SortCommand( s As Object, e As DataGridSortCommandEventArgs )
  BindDataGrid( e.SortExpression )
End Sub

</Script>

<html>
<head><title>DataGridSortExpression.aspx</title></head>
<body>
<form Runat="Server">

<asp:DataGrid
  ID="dgrdTitles"
  AllowSorting="True"
  OnSortCommand="dgrdTitles_SortCommand"
  AutoGenerateColumns="False"
  CellPadding="10"
  Runat="Server">
<Columns>
  <asp:BoundColumn
    DataField="Title"
    HeaderText="Sort Titles"
    SortExpression="title"/>
  <asp:BoundColumn
    HeaderText="Sort Price"
    DataField="price"
    DataFormatString="{0:c}"
    SortExpression="price"/>
  <asp:BoundColumn
    DataField="Notes" />
</Columns>
</asp:DataGrid>

</form>
</body>
</html>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -