GridView Konstruktor

Definition

Namnområde:
System.Web.UI.WebControls
Sammansättning:
System.Web.dll

Initierar en ny instans av GridView klassen.

public:
 GridView();
public GridView();
Public Sub New ()

Exempel

I följande exempel visas hur du använder konstruktorn för att dynamiskt lägga till en GridView kontroll på en sida.


<%@ 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">

    void Page_Load(Object sender, EventArgs e)
    {
        
        // Create a new GridView object.
        GridView customersGridView = new GridView();
         
        // Set the GridView object's properties.
        customersGridView.ID = "CustomersGridView";
        customersGridView.DataSourceID = "CustomersSource";
        customersGridView.AutoGenerateColumns = true;
        
        // Add the GridView object to the Controls collection
        // of the PlaceHolder control.
        GridViewPlaceHolder.Controls.Add(customersGridView);
        
    }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>GridView Constructor Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>GridView Constructor Example</h3>

      <asp:placeholder id="GridViewPlaceHolder"
        runat="Server"/>

      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [City] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>

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


<%@ 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">

  Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        
    ' Create a new GridView object.
    Dim customersGridView As New GridView()
         
    ' Set the GridView object's properties.
    customersGridView.ID = "CustomersGridView"
    customersGridView.DataSourceID = "CustomersSource"
    customersGridView.AutoGenerateColumns = True
        
    ' Add the GridView object to the Controls collection
    ' of the PlaceHolder control.
    GridViewPlaceHolder.Controls.Add(customersGridView)
        
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>GridView Constructor Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>GridView Constructor Example</h3>

      <asp:placeholder id="GridViewPlaceHolder"
        runat="Server"/>

      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [City] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>

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

Kommentarer

Använd den här konstruktorn för att initiera en ny instans av GridView klassen. Om du vill lägga till en GridView kontroll dynamiskt på en sida skapar du ett nytt GridView objekt, anger dess egenskaper och lägger sedan till det i Control.Controls samlingen av en containerkontroll, till exempel PlaceHolder.

Gäller för

Se även