DataGridItem.DataItem Property
.NET Framework (current version)
Gets or sets the data item represented by the DataGridItem object in the DataGrid control.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.ObjectA System.Object that represents a data item in the DataGrid control.
Use the DataItem property to specify or determine the properties of a data item represented by the DataGridItem object in the DataGrid control.
The following code example demonstrates how to use the DataItem property to display the contents of the data items in the DataGrid control.
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The following code example uses the single-file code model and might not work correctly if copied directly into a code-behind file. This code example must be copied into an empty text file that has an .aspx extension. |
<%@ Page Language="VB" AutoEventWireup="True" %> <%@ Import Namespace="System.Data" %> <!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" > <script language="VB" runat="server"> Dim Cart As DataTable Dim CartView As DataView Function CreateDataSource() As ICollection Dim dt As New DataTable() Dim dr As DataRow dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32))) dt.Columns.Add(New DataColumn("StringValue", GetType(String))) dt.Columns.Add(New DataColumn("CurrencyValue", GetType(Double))) Dim i As Integer For i = 0 To 9 dr = dt.NewRow() dr(0) = i dr(1) = "Item " & i.ToString() dr(2) = 1.23 *(i + 1) dt.Rows.Add(dr) Next i Dim dv As New DataView(dt) Return dv End Function 'CreateDataSource Sub Page_Load(sender As Object, e As EventArgs) If Not IsPostBack Then ' Need to load this data only once. ItemsGrid.DataSource = CreateDataSource() ItemsGrid.DataBind() End If End Sub 'Page_Load Sub Item_Created(sender As Object, e As DataGridItemEventArgs) If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType = ListItemType.AlternatingItem Or e.Item.ItemType = ListItemType.SelectedItem Or e.Item.ItemType = ListItemType.EditItem Then Label1.Text &= "<br />" & e.Item.ItemType.ToString() & " - " & CType(e.Item.DataItem, DataRowView).Row.ItemArray(1).ToString() Else Label1.Text &= "<br />" & e.Item.ItemType.ToString() End If End Sub 'Item_Created </script> <head runat="server"> <title>DataGridItem DataItem Example</title> </head> <body> <form id="form1" runat="server"> <h3>DataGridItem DataItem Example</h3> <asp:DataGrid id="ItemsGrid" runat="server" BorderColor="black" BorderWidth="1" CellPadding="3" ShowFooter="true" OnItemCreated="Item_Created" AutoGenerateColumns="true"> <HeaderStyle BackColor="#00aaaa"> </HeaderStyle> <FooterStyle BackColor="#00aaaa"> </FooterStyle> </asp:DataGrid> <br /> <asp:Label id="Label1" Text="Items in the DataGrid Control: <br />" runat="server"/> </form> </body> </html>
.NET Framework
Available since 1.1
Available since 1.1
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