HyperLinkColumn.FormatDataNavigateUrlValue(Object) Metode

Definisi

Ruang nama:: System.Web.UI.WebControls

Rakitan:: System.Web.dll

Penting

Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.

Memformat URL terikat data menggunakan format yang ditentukan oleh DataNavigateUrlFormatString properti .

protected:
 virtual System::String ^ FormatDataNavigateUrlValue(System::Object ^ dataUrlValue);

protected virtual string FormatDataNavigateUrlValue(object dataUrlValue);

abstract member FormatDataNavigateUrlValue : obj -> string
override this.FormatDataNavigateUrlValue : obj -> string

Protected Overridable Function FormatDataNavigateUrlValue (dataUrlValue As Object) As String

Parameter

dataUrlValue: Object

URL terikat data untuk diformat.

Mengembalikan

String

URL terikat data dalam format yang ditentukan oleh DataNavigateUrlFormatString properti .

Contoh

Catatan

Sampel kode berikut menggunakan model kode file tunggal dan mungkin tidak berfungsi dengan benar jika disalin langsung ke file code-behind. Sampel kode ini harus disalin ke dalam file teks kosong yang memiliki ekstensi .aspx. Untuk informasi selengkapnya tentang model kode Formulir Web, lihat Model Kode Halaman Formulir Web ASP.NET.

<!-- 
This example demonstrates using a hyperlink column. The code below
should be copied into a file called HyperTextColumnCS.aspx.  The file
should be stored in the same directory as the file DetailsPageCS.aspx
described below.
-->

<!-- 
This example demonstrates using a hyperlink column. The code below
should be copied into a file called HyperTextColumnVB.aspx.  The file
should be stored in the same directory as the file DetailsPageVB.aspx
described below.
-->

<%@ Page language="C#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Data" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    private DataView dv;
    private DataTable dt = new DataTable();

    private void Page_Load(object sender, System.EventArgs e)
    {
        // Create a DataTable to use as the data source for 
        // the DataGrid.
        dt.Columns.Add(new DataColumn("ItemNumber"));
        dt.Columns["ItemNumber"].Caption = "Item Number";
        dt.Columns.Add(new DataColumn("Item"));
        dt.Columns["ItemNumber"].Caption = "Item";
        dt.Columns.Add(new DataColumn("Price"));
        dt.Columns["ItemNumber"].Caption = "Price";

        // Add some data to the DataTable.
        DataRow myDataRow;
        for (int i = 0; i < 5; i++)
        {
            myDataRow = dt.NewRow();
            myDataRow[0] = i;
            myDataRow[1] = "Item " + i.ToString();
            myDataRow[2] = 1.23 * (i + 1);
            dt.Rows.Add(myDataRow);
        }
        
        // Use the table to create a DataView.
        dv = new DataView(dt);

//<Snippet4>
        // Create hyperlink columns that contain the item name
        // and price.
        HyperLinkColumn nameCol = new HyperLinkColumn();
        nameCol.DataNavigateUrlField = "ItemNumber";
        nameCol.DataTextField = "Item";
        nameCol.DataNavigateUrlFormatString = 
            "DetailspageCS.aspx?id={0}";
        nameCol.HeaderText = dt.Columns["Item"].Caption;

        HyperLinkColumn priceCol = new HyperLinkColumn();
        priceCol.DataNavigateUrlField = "ItemNumber";
        priceCol.DataTextField = "Price";
        priceCol.DataNavigateUrlFormatString = 
            "DetailspageCS.aspx?id={0}";
        priceCol.DataTextFormatString = "{0:c}";
        priceCol.HeaderText = dt.Columns["Price"].Caption;
//</Snippet4>

        // Add the new columns to the DataGrid.
        DataGrid1.Columns.Add(nameCol);
        DataGrid1.Columns.Add(priceCol);

        // Set the DataView as the data source, and bind 
        // it to the DataGrid.
        DataGrid1.DataSource = dv;
        DataGrid1.DataBind();

    }

    private void DataGrid1_ItemDataBound(object sender, 
        System.Web.UI.WebControls.DataGridItemEventArgs e)
    {
        ListItemType itemType = (ListItemType)e.Item.ItemType;

        if ((itemType != ListItemType.Header) &&
            (itemType != ListItemType.Footer) &&
            (itemType != ListItemType.Separator))
        {

//<Snippet5>
            // Get the IntegerValue cell from the grid's column 
            // collection.
            TableCell currentCell = (TableCell)e.Item.Controls[0];
            DataGrid1.Columns[1].InitializeCell(currentCell, 1,
                ListItemType.Item);
//</Snippet5>

//<Snippet6>
            // Add attributes to the cell.
            currentCell.Attributes.Add("id", "currentCell" + 
                e.Item.ItemIndex.ToString());
            currentCell.Attributes.Add("OnClick",
                "Update_currentCell" +
                e.Item.ItemIndex.ToString() +
                "()");
//</Snippet6>
        }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
    <head>
    <title>HyperLinkColumn Example</title>
</head>
    <body>
        <form id="form1" runat="server">
            <h3>HyperLinkColumn Example</h3>
                <asp:DataGrid Runat="server" ID="DataGrid1" CellPadding="4"
                    AutoGenerateColumns="False" BorderStyle="None" GridLines="None">
                    <HeaderStyle Font-Bold="True" ForeColor="White" BackColor="Black">
                    </HeaderStyle>
                </asp:DataGrid>
                <p>Click on an item name or price to add the item to your order.</p>
        </form>
    </body>
</html>

<%@ Page language="VB" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Data" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    private dv As DataView
    private dt As New DataTable()

    Private Sub Page_Load(sender As Object, e As System.EventArgs)
        ' Create a DataTable to use as the data source for 
        ' the DataGrid.
        dt.Columns.Add(new DataColumn("ItemNumber"))
        dt.Columns("ItemNumber").Caption = "Item Number"
        dt.Columns.Add(new DataColumn("Item"))
        dt.Columns("ItemNumber").Caption = "Item"
        dt.Columns.Add(new DataColumn("Price"))
        dt.Columns("ItemNumber").Caption = "Price"

        ' Add some data to the DataTable.
        Dim myDataRow As DataRow
        Dim i As Integer
        For i = 0 To 4
            myDataRow = dt.NewRow()
            myDataRow(0) = i
            myDataRow(1) = "Item " & i.ToString()
            myDataRow(2) = 1.23 * (i + 1)
            dt.Rows.Add(myDataRow)
        Next i
        
        ' Use the table to create a DataView.
        dv = new DataView(dt)

'<Snippet4>
        ' Create hyperlink columns that contain the item name
        ' and price.
        Dim nameCol As New HyperLinkColumn()
        nameCol.DataNavigateUrlField = "ItemNumber"
        nameCol.DataTextField = "Item"
        nameCol.DataNavigateUrlFormatString = _
            "DetailspageVB.aspx?id={0}"
        nameCol.HeaderText = dt.Columns("Item").Caption

        Dim priceCol As New HyperLinkColumn()
        priceCol.DataNavigateUrlField = "ItemNumber"
        priceCol.DataTextField = "Price"
        priceCol.DataNavigateUrlFormatString = _
            "DetailspageVB.aspx?id={0}"
        priceCol.DataTextFormatString = "{0:c}"
        priceCol.HeaderText = dt.Columns("Price").Caption
'</Snippet4>

        ' Add the new columns to the DataGrid.
        DataGrid1.Columns.Add(nameCol)
        DataGrid1.Columns.Add(priceCol)

        ' Set the DataView as the data source, and bind 
        ' it to the DataGrid.
        DataGrid1.DataSource = dv
        DataGrid1.DataBind()

    End Sub

    Private Sub DataGrid1_ItemDataBound(sender As Object, _
        e As System.Web.UI.WebControls.DataGridItemEventArgs)
        Dim itemType As ListItemType = _
            CType(e.Item.ItemType, ListItemType)

        if itemType <> ListItemType.Header AndAlso _
            itemType <> ListItemType.Footer AndAlso _
            itemType <> ListItemType.Separator Then
            
'<Snippet5>
            ' Get the IntegerValue cell from the grid's column 
            ' collection.
            Dim currentCell As TableCell = _
                CType(e.Item.Controls(0), TableCell)
            DataGrid1.Columns(1).InitializeCell(currentCell, 1, _
                ListItemType.Item)
'</Snippet5>

'<Snippet6>
            ' Add attributes to the cell.
            currentCell.Attributes.Add("id", "currentCell" & _ 
                e.Item.ItemIndex.ToString())
            currentCell.Attributes.Add("OnClick", _
                "Update_currentCell" & _
                e.Item.ItemIndex.ToString() & _
                "()")
'</Snippet6>
        End If
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
    <head>
    <title>HyperLinkColumn Example</title>
</head>
    <body>
        <form id="form1" runat="server">
            <h3>HyperLinkColumn Example</h3>
                <asp:DataGrid Runat="server" ID="DataGrid1" CellPadding="4"
                    AutoGenerateColumns="False" BorderStyle="None" GridLines="None">
                    <HeaderStyle Font-Bold="True" ForeColor="White" BackColor="Black">
                    </HeaderStyle>
                </asp:DataGrid>
                <p>Click on an item name or price to add the item to your order.</p>
        </form>
    </body>
</html>

<!-- 
This example demonstrates using a hyperlink column. The code below
should be copied into a file called DetailsPageCS.aspx. The file
should be stored in the same directory as the file HyperTextColumn.CS
described above.
-->

<!-- 
This example demonstrates using a hyperlink column. The code below
should be copied into a file called DetailsPageVB.aspx. The file
should be stored in the same directory as the file HyperTextColumnVB.aspx
described above.
-->

<%@ Page language="c#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>
<%@ 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" >
    <head>
    <title>HyperLinkColumn Example</title>
<script runat="server">
            private DataView dv;
            private DataTable dt = new DataTable();

            private void Page_Load(object sender, System.EventArgs e)
            {
                // Get the item value that was passed on the query string.
                NameValueCollection myCollection = Request.QueryString; 
                string selectedItem = myCollection.Get("id");

                Label1.Text = "Item " + selectedItem + 
                    " has been added to your order.";
            }
        </script>
    </head>
    <body>
        <form id="form1" runat="server">
            <h3>HyperLinkColumn Example</h3>
                <p><asp:Label id="Label1" runat="server">Label</asp:Label></p>
                <p><asp:HyperLink id="HyperLink1" runat="server" 
                    BorderColor="#8080FF" BorderStyle="Groove" ForeColor="Blue"
                    NavigateUrl="HyperTextColumnCS.aspx"> return to items page 
                   </asp:HyperLink></p>
        </form>
    </body>
</html>

<%@ Page language="VB" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>
<%@ 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" >
    <head>
    <title>HyperLinkColumn Example</title>
<script runat="server">
            Private dv As DataView
            Private dt As New DataTable()

            Private Sub Page_Load(sender As Object, e As System.EventArgs) _
                Handles MyBase.Load

                ' Get the item value that was passed on the query string.
                Dim myCollection As NameValueCollection = Request.QueryString
                Dim selectedItem As String = myCollection.Get("id")

                Label1.Text = "Item " & selectedItem & _ 
                    " has been added to your order."
            End Sub
        </script>
    </head>
    <body>
        <form id="form1" runat="server">
            <h3>HyperLinkColumn Example</h3>
                <p><asp:Label id="Label1" runat="server">Label</asp:Label></p>
                <p><asp:HyperLink id="HyperLink1" runat="server" 
                    BorderColor="#8080FF" BorderStyle="Groove" ForeColor="Blue"
                    NavigateUrl="HyperTextColumnVB.aspx"> return to items page 
                   </asp:HyperLink></p>
        </form>
    </body>
</html>

Keterangan

FormatDataNavigateUrlValue Gunakan metode untuk memformat nilai URL terikat data dengan format yang ditentukan oleh DataNavigateUrlFormatString properti .

Berlaku untuk

Lihat juga

DataNavigateUrlFormatString

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