ASP.Net/Data Binding/BoundField

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Версия от 11:52, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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Adding multicolumn sorting to the GridView (C#)

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
    {
        string oldExpression = GridView1.SortExpression;
        string newExpression = e.SortExpression;
        if (oldExpression.IndexOf(newExpression) < 0)
        {
            if (oldExpression.Length > 0)
                e.SortExpression = newExpression + "," + oldExpression;
            else
                e.SortExpression = newExpression;
        }
        else
        {
            e.SortExpression = oldExpression;
        }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" Runat="server" DataSourceID="SqlDataSource1"
             DataKeyNames="CustomerID" AutoGenerateColumns="False"
             AllowSorting="True" OnSorting="GridView1_Sorting">
            <Columns>
                <asp:BoundField ReadOnly="True" HeaderText="CustomerID"
                     DataField="CustomerID"
                     SortExpression="CustomerID"></asp:BoundField>
                <asp:BoundField HeaderText="CompanyName" DataField="CompanyName"
                     SortExpression="CompanyName"></asp:BoundField>
                <asp:BoundField HeaderText="ContactName" DataField="ContactName"
                     SortExpression="ContactName"></asp:BoundField>
                <asp:BoundField HeaderText="ContactTitle" DataField="ContactTitle"
                     SortExpression="ContactTitle"></asp:BoundField>
                <asp:BoundField HeaderText="Address" DataField="Address"
                     SortExpression="Address"></asp:BoundField>
                <asp:BoundField HeaderText="City" DataField="City"
                     SortExpression="City"></asp:BoundField>
                <asp:BoundField HeaderText="Region" DataField="Region"
                     SortExpression="Region"></asp:BoundField>
                <asp:BoundField HeaderText="PostalCode" DataField="PostalCode"
                     SortExpression="PostalCode"></asp:BoundField>
                <asp:BoundField HeaderText="Country" DataField="Country" 
                     SortExpression="Country"></asp:BoundField>
                <asp:BoundField HeaderText="Phone" DataField="Phone" 
                     SortExpression="Phone"></asp:BoundField>
                <asp:BoundField HeaderText="Fax" DataField="Fax" 
                     SortExpression="Fax"></asp:BoundField>
            </Columns>
        </asp:GridView>
        <asp:SqlDataSource ID="SqlDataSource1" Runat="server"
            SelectCommand="SELECT * FROM [Customers]" 
            ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>"
            DataSourceMode="DataSet"
            ConflictDetection="CompareAllValues" EnableCaching="True"
            CacheKeyDependency="MyKey" CacheDuration="Infinite">
        </asp:SqlDataSource>
    </div>
    </form>
</body>
</html>
File: Web.config
<configuration>
  <appSettings/>
  <connectionStrings>
        <add name="AppConnectionString1" 
             connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"
             providerName="System.Data.SqlClient" />
    </connectionStrings>
  <system.web>
    <compilation debug="true" strict="false" explicit="true">
      <codeSubDirectories>
        <add directoryName="VB"></add>
        <add directoryName="CS"></add>
      </codeSubDirectories>
    </compilation>
    <pages>
      <namespaces>
        <clear/>
        <add namespace="System"/>
        <add namespace="System.Collections"/>
        <add namespace="System.Collections.Specialized"/>
        <add namespace="System.Configuration"/>
        <add namespace="System.Text"/>
        <add namespace="System.Text.RegularExpressions"/>
        <add namespace="System.Web"/>
        <add namespace="System.Web.Caching"/>
        <add namespace="System.Web.SessionState"/>
        <add namespace="System.Web.Security"/>
        <add namespace="System.Web.Profile"/>
        <add namespace="System.Web.UI"/>
        <add namespace="System.Web.UI.WebControls"/>
        <add namespace="System.Web.UI.WebControls.WebParts"/>
        <add namespace="System.Web.UI.HtmlControls"/>
      </namespaces>
    </pages>
    <authentication mode="Windows"></authentication>
    <identity impersonate="true"/>
  </system.web>
</configuration>



Adding multicolumn sorting to the GridView (VB)

<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Protected Sub GridView1_Sorting(ByVal sender As Object, ByVal e As GridViewSortEventArgs)
    
        Dim oldExpression As String = GridView1.SortExpression
        Dim newExpression As String = e.SortExpression
        If (oldExpression.IndexOf(newExpression) < 0) Then
            If (oldExpression.Length > 0) Then
                e.SortExpression = newExpression & "," & oldExpression
            Else
                e.SortExpression = newExpression
            End If
        Else
            e.SortExpression = oldExpression
        End If
    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" Runat="server" DataSourceID="SqlDataSource1"
             DataKeyNames="CustomerID" AutoGenerateColumns="False"
             AllowSorting="True" OnSorting="GridView1_Sorting">
            <Columns>
                <asp:BoundField ReadOnly="True" HeaderText="CustomerID"
                     DataField="CustomerID"
                     SortExpression="CustomerID"></asp:BoundField>
                <asp:BoundField HeaderText="CompanyName" DataField="CompanyName"
                     SortExpression="CompanyName"></asp:BoundField>
                <asp:BoundField HeaderText="ContactName" DataField="ContactName"
                     SortExpression="ContactName"></asp:BoundField>
                <asp:BoundField HeaderText="ContactTitle" DataField="ContactTitle"
                     SortExpression="ContactTitle"></asp:BoundField>
                <asp:BoundField HeaderText="Address" DataField="Address"
                     SortExpression="Address"></asp:BoundField>
                <asp:BoundField HeaderText="City" DataField="City"
                     SortExpression="City"></asp:BoundField>
                <asp:BoundField HeaderText="Region" DataField="Region"
                     SortExpression="Region"></asp:BoundField>
                <asp:BoundField HeaderText="PostalCode" DataField="PostalCode"
                     SortExpression="PostalCode"></asp:BoundField>
                <asp:BoundField HeaderText="Country" DataField="Country" 
                     SortExpression="Country"></asp:BoundField>
                <asp:BoundField HeaderText="Phone" DataField="Phone" 
                     SortExpression="Phone"></asp:BoundField>
                <asp:BoundField HeaderText="Fax" DataField="Fax" 
                     SortExpression="Fax"></asp:BoundField>
            </Columns>
        </asp:GridView>
        <asp:SqlDataSource ID="SqlDataSource1" Runat="server"
            SelectCommand="SELECT * FROM [Customers]" 
            ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>"
            DataSourceMode="DataSet"
            ConflictDetection="CompareAllValues" EnableCaching="True"
            CacheKeyDependency="MyKey" CacheDuration="Infinite">
        </asp:SqlDataSource>
    </div>
    </form>
</body>
</html>
File: Web.config
<configuration>
  <appSettings/>
  <connectionStrings>
        <add name="AppConnectionString1" 
             connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"
             providerName="System.Data.SqlClient" />
    </connectionStrings>
  <system.web>
    <compilation debug="true" strict="false" explicit="true">
      <codeSubDirectories>
        <add directoryName="VB"></add>
        <add directoryName="CS"></add>
      </codeSubDirectories>
    </compilation>
    <pages>
      <namespaces>
        <clear/>
        <add namespace="System"/>
        <add namespace="System.Collections"/>
        <add namespace="System.Collections.Specialized"/>
        <add namespace="System.Configuration"/>
        <add namespace="System.Text"/>
        <add namespace="System.Text.RegularExpressions"/>
        <add namespace="System.Web"/>
        <add namespace="System.Web.Caching"/>
        <add namespace="System.Web.SessionState"/>
        <add namespace="System.Web.Security"/>
        <add namespace="System.Web.Profile"/>
        <add namespace="System.Web.UI"/>
        <add namespace="System.Web.UI.WebControls"/>
        <add namespace="System.Web.UI.WebControls.WebParts"/>
        <add namespace="System.Web.UI.HtmlControls"/>
      </namespaces>
    </pages>
    <authentication mode="Windows"></authentication>
    <identity impersonate="true"/>
  </system.web>
</configuration>



BoundField as GridView columns

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

<script runat="server">
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView1" 
                      Runat="server" 
                      DataSourceID="SqlDataSource1"
                      DataKeyNames="CustomerID" 
                      AutoGenerateColumns="False">
            <Columns>
                <asp:BoundField ReadOnly="True" 
                                HeaderText="CustomerID"
                                DataField="CustomerID"
                                SortExpression="CustomerID"/>
                <asp:BoundField HeaderText="CompanyName" 
                                DataField="CompanyName"
                                SortExpression="CompanyName"/>
                <asp:BoundField HeaderText="ContactName" 
                                DataField="ContactName"
                                SortExpression="ContactName"/>
                <asp:BoundField HeaderText="ContactTitle" 
                                DataField="ContactTitle"
                                SortExpression="ContactTitle"/>
                <asp:BoundField HeaderText="Address" 
                                DataField="Address"
                                SortExpression="Address"/>
                <asp:BoundField HeaderText="City" 
                                DataField="City"
                                SortExpression="City"/>
                <asp:BoundField HeaderText="Region" 
                                DataField="Region"
                                SortExpression="Region"/>
                <asp:BoundField HeaderText="PostalCode" 
                                DataField="PostalCode"
                                SortExpression="PostalCode"/>
                <asp:BoundField HeaderText="Country" 
                                DataField="Country" 
                                SortExpression="Country"/>
                <asp:BoundField HeaderText="Phone" 
                                DataField="Phone" 
                                SortExpression="Phone"/>
                <asp:BoundField HeaderText="Fax" 
                                DataField="Fax" 
                                SortExpression="Fax"/>
            </Columns>
        </asp:GridView>
        <asp:SqlDataSource ID="SqlDataSource1" 
                           Runat="server"
                           SelectCommand="SELECT * FROM [Customers]" 
                           ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>"
                           DataSourceMode="DataSet"
                           ConflictDetection="CompareAllValues" EnableCaching="True"
                           CacheKeyDependency="MyKey" 
                           CacheDuration="Infinite">
        </asp:SqlDataSource>
    </div>
    </form>
</body>
</html>

File: Web.config
<configuration>
  <appSettings/>
  <connectionStrings>
        <add name="AppConnectionString1" 
             connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"
             providerName="System.Data.SqlClient" />
    </connectionStrings>
  <system.web>
    <compilation debug="true" strict="false" explicit="true">
      <codeSubDirectories>
        <add directoryName="VB"></add>
        <add directoryName="CS"></add>
      </codeSubDirectories>
    </compilation>
    <pages>
      <namespaces>
        <clear/>
        <add namespace="System"/>
        <add namespace="System.Collections"/>
        <add namespace="System.Collections.Specialized"/>
        <add namespace="System.Configuration"/>
        <add namespace="System.Text"/>
        <add namespace="System.Text.RegularExpressions"/>
        <add namespace="System.Web"/>
        <add namespace="System.Web.Caching"/>
        <add namespace="System.Web.SessionState"/>
        <add namespace="System.Web.Security"/>
        <add namespace="System.Web.Profile"/>
        <add namespace="System.Web.UI"/>
        <add namespace="System.Web.UI.WebControls"/>
        <add namespace="System.Web.UI.WebControls.WebParts"/>
        <add namespace="System.Web.UI.HtmlControls"/>
      </namespaces>
    </pages>
    <authentication mode="Windows"></authentication>
    <identity impersonate="true"/>
  </system.web>
</configuration>



BoundField with ItemStyle

<%@ Page Language="C#" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Formatting GridView using Styles</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:SqlDataSource ID="productsSource" runat="server"
            ProviderName="System.Data.SqlClient" 
            ConnectionString="<%$ ConnectionStrings:AdventureWorks %>"
            SelectCommand="Select ProductID, Name, ProductNumber, DaysToManufacture, SellStartDate from Production.Product">            
        </asp:SqlDataSource>
        <asp:GridView runat="server" 
                      ID="gridProducts" 
                      DataSourceID="productsSource"
                      Font-Names="Verdana" 
                      Font-Size="X-Small" 
                      ForeColor="#333333"
                      CellPadding="4" 
                      GridLines="None" 
                      AutoGenerateColumns="False">
             <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
             <RowStyle BackColor="#FFFBD6" ForeColor="#333333" />
             <AlternatingRowStyle BackColor="White" />       
            <Columns>
                <asp:BoundField DataField="ProductID" HeaderText="ID">
                    <ItemStyle Font-Bold="True" BorderWidth="1" />
                </asp:BoundField>
                <asp:BoundField DataField="Name" HeaderText="Name">
                    <ItemStyle Wrap="True" Width="200"/>
                </asp:BoundField>
                <asp:BoundField DataField="ProductNumber" HeaderText="Number">
                    <ItemStyle BackColor="LightSteelBlue" />
                </asp:BoundField>
                <asp:BoundField DataField="DaysToManufacture" HeaderText="Days To Manufacture" />                
                <asp:BoundField DataField="SellStartDate" HeaderText="Sell Start Date"
                    DataFormatString="{0:MM/dd/yyyy}" />
            </Columns>
        </asp:GridView>
    </div>
    </form>
</body>
</html>
File: Web.config
<configuration>
  <appSettings/>
  <connectionStrings>
        <add name="AdventureWorks" 
             connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=AdventureWorks;Integrated Security=True"
             providerName="System.Data.SqlClient" />
    </connectionStrings>
  <system.web>
    <compilation debug="true" strict="false" explicit="true">
      <codeSubDirectories>
        <add directoryName="VB"></add>
        <add directoryName="CS"></add>
      </codeSubDirectories>
    </compilation>
    <pages>
      <namespaces>
        <clear/>
        <add namespace="System"/>
        <add namespace="System.Collections"/>
        <add namespace="System.Collections.Specialized"/>
        <add namespace="System.Configuration"/>
        <add namespace="System.Text"/>
        <add namespace="System.Text.RegularExpressions"/>
        <add namespace="System.Web"/>
        <add namespace="System.Web.Caching"/>
        <add namespace="System.Web.SessionState"/>
        <add namespace="System.Web.Security"/>
        <add namespace="System.Web.Profile"/>
        <add namespace="System.Web.UI"/>
        <add namespace="System.Web.UI.WebControls"/>
        <add namespace="System.Web.UI.WebControls.WebParts"/>
        <add namespace="System.Web.UI.HtmlControls"/>
      </namespaces>
    </pages>
    <authentication mode="Windows"></authentication>
    <identity impersonate="true"/>
  </system.web>
</configuration>



Using the BoundField for explicitly specifying Columns

<%@ Page Language="C#" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Using the BoundField for explicitly specifying Columns</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:SqlDataSource ID="productsSource" runat="server"
            ProviderName="System.Data.SqlClient" 
            ConnectionString="<%$ ConnectionStrings:AdventureWorks %>"
            SelectCommand="Select ProductID, Name, ProductNumber, DaysToManufacture from Production.Product">            
        </asp:SqlDataSource>
        <asp:GridView runat="server" ID="gridProducts" DataSourceID="productsSource"
            AutoGenerateColumns="false">        
            <Columns>
                <asp:BoundField DataField="ProductID" HeaderText="ID" />
                <asp:BoundField DataField="Name" HeaderText="Name" />
                <asp:BoundField DataField="ProductNumber" HeaderText="Number" />
                <asp:BoundField DataField="DaysToManufacture" HeaderText="Days To Manufacture" />                
            </Columns>
        </asp:GridView>
    </div>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.Net/Data_Binding/BoundField&oldid=2057»