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ASP.NET Tutorial/Data Binding/BoundField - История изменений
2026-04-29T16:10:15Z
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http://nfex.ru/index.php?title=ASP.NET_Tutorial/Data_Binding/BoundField&diff=3143&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:57Z
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Admin: 1 версия
2010-05-26T11:58:07Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Adding the ReadOnly attribute to a BoundField==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
<script runat="server"><br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:GridView ID="GridView1" Runat="server" DataSourceID="SqlDataSource1"<br />
DataKeyNames="CustomerID" AutoGenerateColumns="False"<br />
AllowSorting="True" AllowPaging="True"<br />
AutoGenerateEditButton="true"><br />
<PagerStyle HorizontalAlign="Center"></PagerStyle><br />
<PagerSettings Position="TopAndBottom" <br />
FirstPageText="Go to the first page" <br />
LastPageText="Go to the last page" Mode="NextPreviousFirstLast"><br />
</PagerSettings><br />
<Columns><br />
<asp:BoundField ReadOnly="True" HeaderText="CustomerID" DataField="CustomerID"<br />
SortExpression="CustomerID" Visible="False"></asp:BoundField><br />
<asp:HyperLinkField HeaderText="CompanyName"<br />
DataNavigateUrlFields="CustomerID,Country" SortExpression="CompanyName"<br />
DataNavigateUrlFormatString=<br />
"http://www.foo.ru/Customer.aspx?id={0}&country={1}"<br />
DataTextField="CompanyName"><br />
</asp:HyperLinkField><br />
<asp:BoundField HeaderText="ContactName" DataField="ContactName"<br />
SortExpression="ContactName"></asp:BoundField><br />
<asp:BoundField HeaderText="ContactTitle" DataField="ContactTitle"<br />
SortExpression="ContactTitle"></asp:BoundField><br />
<asp:BoundField HeaderText="Address" DataField="Address"<br />
SortExpression="Address"></asp:BoundField><br />
<asp:BoundField HeaderText="City" DataField="City"<br />
SortExpression="City"></asp:BoundField><br />
<asp:BoundField HeaderText="Region" NullDisplayText="N/A"<br />
DataField="Region" SortExpression="Region"></asp:BoundField><br />
<asp:BoundField HeaderText="PostalCode" DataField="PostalCode"<br />
SortExpression="PostalCode"></asp:BoundField><br />
<asp:BoundField HeaderText="Country" DataField="Country" <br />
SortExpression="Country"></asp:BoundField><br />
<asp:BoundField HeaderText="Phone" DataField="Phone" <br />
SortExpression="Phone"></asp:BoundField><br />
<asp:BoundField HeaderText="Fax" DataField="Fax" <br />
SortExpression="Fax"></asp:BoundField><br />
<br />
</Columns><br />
</asp:GridView><br />
<asp:SqlDataSource ID="SqlDataSource1" Runat="server"<br />
SelectCommand="SELECT * FROM [Customers]"<br />
ConnectionString="<%$ ConnectionStrings:AppConnectionString1 %>"<br />
DataSourceMode="DataSet"<br />
UpdateCommand="UPDATE [Customers] SET [CompanyName] = @CompanyName,<br />
[ContactName] = @ContactName, [ContactTitle] = @ContactTitle,<br />
[Address] = @Address, [City] = @City, [Region] = @Region, <br />
[PostalCode] = @PostalCode, [Country] = @Country, [Phone] = @Phone,<br />
[Fax] = @Fax WHERE [CustomerID] = @original_CustomerID"><br />
<UpdateParameters><br />
<asp:Parameter Type="String" Name="CompanyName"></asp:Parameter><br />
<asp:Parameter Type="String" Name="ContactName"></asp:Parameter><br />
<asp:Parameter Type="String" Name="ContactTitle"></asp:Parameter><br />
<asp:Parameter Type="String" Name="Address"></asp:Parameter><br />
<asp:Parameter Type="String" Name="City"></asp:Parameter><br />
<asp:Parameter Type="String" Name="Region"></asp:Parameter><br />
<asp:Parameter Type="String" Name="PostalCode"></asp:Parameter><br />
<asp:Parameter Type="String" Name="Country"></asp:Parameter><br />
<asp:Parameter Type="String" Name="Phone"></asp:Parameter><br />
<asp:Parameter Type="String" Name="Fax"></asp:Parameter><br />
<asp:Parameter Type="String" Name="CustomerID"></asp:Parameter><br />
</UpdateParameters><br />
</asp:SqlDataSource> <br />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Web.config<br />
<configuration><br />
<appSettings/><br />
<connectionStrings><br />
<add name="AppConnectionString1" <br />
connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"<br />
providerName="System.Data.SqlClient" /><br />
</connectionStrings><br />
<system.web><br />
<compilation debug="true" strict="false" explicit="true"><br />
<codeSubDirectories><br />
<add directoryName="VB"></add><br />
<add directoryName="CS"></add><br />
</codeSubDirectories><br />
</compilation><br />
<pages><br />
<namespaces><br />
<clear/><br />
<add namespace="System"/><br />
<add namespace="System.Collections"/><br />
<add namespace="System.Collections.Specialized"/><br />
<add namespace="System.Configuration"/><br />
<add namespace="System.Text"/><br />
<add namespace="System.Text.RegularExpressions"/><br />
<add namespace="System.Web"/><br />
<add namespace="System.Web.Caching"/><br />
<add namespace="System.Web.SessionState"/><br />
<add namespace="System.Web.Security"/><br />
<add namespace="System.Web.Profile"/><br />
<add namespace="System.Web.UI"/><br />
<add namespace="System.Web.UI.WebControls"/><br />
<add namespace="System.Web.UI.WebControls.WebParts"/><br />
<add namespace="System.Web.UI.HtmlControls"/><br />
</namespaces><br />
</pages><br />
<authentication mode="Windows"></authentication><br />
<identity impersonate="true"/><br />
</system.web><br />
</configuration></source><br />
<br />
<br />
<br />
== Set asp:BoundField for GridView==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:GridView ID="GridView2" <br />
runat="server" <br />
DataSourceID="sourceProducts"<br />
AutoGenerateColumns="False" <br />
DataKeyNames="ProductID"> <br />
<Columns><br />
<asp:BoundField DataField="ProductID" HeaderText="ID" ReadOnly="True" /><br />
<asp:BoundField DataField="ProductName" HeaderText="Product Name"/><br />
<asp:BoundField DataField="UnitPrice" HeaderText="Price" /><br />
<asp:CommandField ShowEditButton="True" /><br />
</Columns><br />
</asp:GridView><br />
<asp:SqlDataSource id="sourceProducts" <br />
runat="server" <br />
SelectCommand="SELECT ProductID, ProductName, UnitPrice FROM Products" <br />
ConnectionString="<%$ ConnectionStrings:Northwind %>"<br />
UpdateCommand="UPDATE Products SET ProductName=@ProductName, UnitPrice=CONVERT(money,@UnitPrice) WHERE ProductID=@ProductID"><br />
</asp:SqlDataSource><br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Web.config<br />
<?xml version="1.0"?><br />
<configuration><br />
<connectionStrings><br />
<add name="Northwind" connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=SSPI"/><br />
</connectionStrings><br />
</configuration></source><br />
<br />
<br />
<br />
== SqlDataSource with Insert and Update parameters==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="true" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
&nbsp;<br />
<div><br />
<asp:GridView ID="GridView1" <br />
runat="server" <br />
AutoGenerateColumns="False" <br />
DataKeyNames="ProductID"<br />
DataSourceID="SqlDataSource1" <br />
EmptyDataText="There are no data records to display."><br />
<Columns><br />
<asp:BoundField DataField="ProductID" HeaderText="ProductID" ReadOnly="True" SortExpression="ProductID" /><br />
<asp:BoundField DataField="ProductName" HeaderText="ProductName" SortExpression="ProductName" /><br />
<asp:BoundField DataField="SupplierID" HeaderText="SupplierID" SortExpression="SupplierID" /><br />
<asp:BoundField DataField="CategoryID" HeaderText="CategoryID" SortExpression="CategoryID" /><br />
<asp:BoundField DataField="QuantityPerUnit" HeaderText="QuantityPerUnit" SortExpression="QuantityPerUnit" /><br />
<asp:BoundField DataField="UnitPrice" HeaderText="UnitPrice" SortExpression="UnitPrice" /><br />
<asp:BoundField DataField="UnitsInStock" HeaderText="UnitsInStock" SortExpression="UnitsInStock" /><br />
<asp:BoundField DataField="UnitsOnOrder" HeaderText="UnitsOnOrder" SortExpression="UnitsOnOrder" /><br />
<asp:BoundField DataField="ReorderLevel" HeaderText="ReorderLevel" SortExpression="ReorderLevel" /><br />
<asp:CheckBoxField DataField="Discontinued" HeaderText="Discontinued" SortExpression="Discontinued" /><br />
</Columns><br />
</asp:GridView><br />
<asp:SqlDataSource ID="SqlDataSource1" <br />
runat="server" <br />
ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"<br />
DeleteCommand="DELETE FROM [Products] WHERE [ProductID] = @ProductID" InsertCommand="INSERT INTO [Products] ([ProductName], [SupplierID], [CategoryID], [QuantityPerUnit], [UnitPrice], [UnitsInStock], [UnitsOnOrder], [ReorderLevel], [Discontinued]) VALUES (@ProductName, @SupplierID, @CategoryID, @QuantityPerUnit, @UnitPrice, @UnitsInStock, @UnitsOnOrder, @ReorderLevel, @Discontinued)"<br />
ProviderName="<%$ ConnectionStrings:NorthwindConnectionString.ProviderName %>"<br />
SelectCommand="SELECT [ProductID], [ProductName], [SupplierID], [CategoryID], [QuantityPerUnit], [UnitPrice], [UnitsInStock], [UnitsOnOrder], [ReorderLevel], [Discontinued] FROM [Products]"<br />
UpdateCommand="UPDATE [Products] SET [ProductName] = @ProductName, [SupplierID] = @SupplierID, [CategoryID] = @CategoryID, [QuantityPerUnit] = @QuantityPerUnit, [UnitPrice] = @UnitPrice, [UnitsInStock] = @UnitsInStock, [UnitsOnOrder] = @UnitsOnOrder, [ReorderLevel] = @ReorderLevel, [Discontinued] = @Discontinued WHERE [ProductID] = @ProductID"><br />
<InsertParameters><br />
<asp:Parameter Name="ProductName" Type="String" /><br />
<asp:Parameter Name="SupplierID" Type="Int32" /><br />
<asp:Parameter Name="CategoryID" Type="Int32" /><br />
<asp:Parameter Name="QuantityPerUnit" Type="String" /><br />
<asp:Parameter Name="UnitPrice" Type="Decimal" /><br />
<asp:Parameter Name="UnitsInStock" Type="Int16" /><br />
<asp:Parameter Name="UnitsOnOrder" Type="Int16" /><br />
<asp:Parameter Name="ReorderLevel" Type="Int16" /><br />
<asp:Parameter Name="Discontinued" Type="Boolean" /><br />
</InsertParameters><br />
<UpdateParameters><br />
<asp:Parameter Name="ProductName" Type="String" /><br />
<asp:Parameter Name="SupplierID" Type="Int32" /><br />
<asp:Parameter Name="CategoryID" Type="Int32" /><br />
<asp:Parameter Name="QuantityPerUnit" Type="String" /><br />
<asp:Parameter Name="UnitPrice" Type="Decimal" /><br />
<asp:Parameter Name="UnitsInStock" Type="Int16" /><br />
<asp:Parameter Name="UnitsOnOrder" Type="Int16" /><br />
<asp:Parameter Name="ReorderLevel" Type="Int16" /><br />
<asp:Parameter Name="Discontinued" Type="Boolean" /><br />
<asp:Parameter Name="ProductID" Type="Int32" /><br />
</UpdateParameters><br />
<DeleteParameters><br />
<asp:Parameter Name="ProductID" Type="Int32" /><br />
</DeleteParameters><br />
</asp:SqlDataSource><br />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Web.config<br />
<?xml version="1.0"?><br />
<configuration><br />
<appSettings/><br />
<connectionStrings><br />
<add name="NorthwindConnectionString" connectionString="Data Source=.\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"<br />
providerName="System.Data.SqlClient" /><br />
</connectionStrings><br />
<system.web><br />
<compilation debug="true"/><br />
<authentication mode="Windows"/><br />
</system.web><br />
</configuration></source><br />
<br />
<br />
<br />
== Using BoundFields with the GridView control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
The most important three properties of the BoundField class are <br />
the DataField, DataFormatString, and HeaderText properties. <br />
<%@ Page Language="C#" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"<br />
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head id="Head1" runat="server"><br />
<title>Show BoundField</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:GridView<br />
id="grdProducts"<br />
DataSourceID="srcProducts"<br />
AutoGenerateColumns="false"<br />
Runat="server"><br />
<Columns><br />
<asp:BoundField<br />
DataField="Title"<br />
HeaderText="Product Title" /><br />
<asp:BoundField<br />
DataField="Director"<br />
HeaderText="Product Director" /><br />
<asp:BoundField<br />
DataField="Totals"<br />
DataFormatString="{0:c}"<br />
HtmlEncode="false"<br />
HeaderText="Box Office Totals" /><br />
</Columns><br />
</asp:GridView><br />
<asp:SqlDataSource<br />
id="srcProducts"<br />
ConnectionString="<%$ ConnectionStrings:Products %>"<br />
SelectCommand="SELECT * FROM Products"<br />
Runat="server" /><br />
</div><br />
</form><br />
</body><br />
</html><br />
<br />
File: Web.config<br />
<configuration><br />
<connectionStrings><br />
<add name="Products" <br />
connectionString="Data Source=.\SQLEXPRESS;<br />
AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" /><br />
</connectionStrings><br />
</configuration></source></div>
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