Bagikan melalui

DetailsView.CurrentMode Properti

Definisi

Ruang nama:
System.Web.UI.WebControls
Rakitan:
System.Web.dll

Mendapatkan mode DetailsView entri data kontrol saat ini.

public:
 property System::Web::UI::WebControls::DetailsViewMode CurrentMode { System::Web::UI::WebControls::DetailsViewMode get(); };
[System.ComponentModel.Browsable(false)]
public System.Web.UI.WebControls.DetailsViewMode CurrentMode { get; }
[<System.ComponentModel.Browsable(false)>]
member this.CurrentMode : System.Web.UI.WebControls.DetailsViewMode
Public ReadOnly Property CurrentMode As DetailsViewMode

Nilai Properti

DetailsViewMode

Salah DetailsViewMode satu nilai.

Atribut
BrowsableAttribute

Contoh

Contoh kode berikut menunjukkan cara menggunakan CurrentMode properti untuk menentukan apakah DetailsView kontrol dalam mode edit, sisipkan, atau baca-saja. Jika pengguna mencoba menavigasi ke rekaman yang berbeda saat DetailsView kontrol berada dalam mode edit, operasi halaman dibatalkan.


<%@ 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 CustomerDetailView_ItemCommand(Object sender, 
      DetailsViewCommandEventArgs e)
    {
        // Clear the error message if the user cancels the edit 
        // operation.
        if (e.CommandName == "Cancel")
        {
            ErrorMessageLabel.Text = "";
        }
    }

    protected void CustomerDetailView_PageIndexChanging(
      object sender, DetailsViewPageEventArgs e)
    {
        // Cancel the paging operation if the user tries to 
        // navigate to another record while in edit mode.
        if (CustomerDetailView.CurrentMode == DetailsViewMode.Edit)
        {
            e.Cancel = true;
            // Display an error message.
            ErrorMessageLabel.Text = 
              "You cannot navigate to another record while in edit mode.";
        }

    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>
            DetailsView CurrentMode Example</title>
</head>
<body>
    <form id="Form1" runat="server">
        <h3>
            DetailsView CurrentMode Example</h3>
        <asp:DetailsView ID="CustomerDetailView" 
          DataSourceID="DetailsViewSource" 
          AutoGenerateRows="true"
          AutoGenerateEditButton="true" 
          DataKeyNames="CustomerID" 
          GridLines="Both" 
          AllowPaging="true"
          OnItemCommand="CustomerDetailView_ItemCommand" 
          runat="server" 
          OnPageIndexChanging="CustomerDetailView_PageIndexChanging">
          
          <HeaderStyle BackColor="Navy" ForeColor="White" />
        </asp:DetailsView>
        
        <br />
        
        <asp:Label ID="ErrorMessageLabel" 
          ForeColor="Red" 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="DetailsViewSource" runat="server" 
          ConnectionString=
            "<%$ ConnectionStrings:NorthWindConnectionString%>"
          InsertCommand="INSERT INTO [Customers]([CustomerID],
            [CompanyName], [Address], [City], [PostalCode], [Country]) 
            VALUES (@CustomerID, @CompanyName, @Address, @City, 
            @PostalCode, @Country)"
          SelectCommand="Select [CustomerID], [CompanyName], 
            [Address], [City], [PostalCode], [Country] From 
            [Customers]">
        </asp:SqlDataSource>
    </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 CustomerDetailView_ItemCommand(ByVal sender As Object, _
      ByVal e As DetailsViewCommandEventArgs)
        ' Clear the error message if the user cancels the edit 
        ' operation.
        If e.CommandName = "Cancel" Then
            ErrorMessageLabel.Text = ""
        End If
    End Sub

    Protected Sub CustomerDetailView_PageIndexChanging( _
    ByVal sender As Object, ByVal e As DetailsViewPageEventArgs)
        ' Cancel the paging operation if the user tries to navigate 
        ' to another record while in edit mode.
        If CustomerDetailView.CurrentMode = DetailsViewMode.Edit Then
            e.Cancel = True
            ' Display an error message.
            ErrorMessageLabel.Text = _
                "You cannot navigate to another record while in edit mode."
        End If
    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>
            DetailsView CurrentMode Example</title>
</head>
<body>
    <form id="Form1" runat="server">
        <h3>
            DetailsView CurrentMode Example</h3>
        <asp:DetailsView ID="CustomerDetailView" 
          DataSourceID="DetailsViewSource" 
          AutoGenerateRows="true"
          AutoGenerateEditButton="true" 
          DataKeyNames="CustomerID" 
          GridLines="Both" 
          AllowPaging="true"
          OnItemCommand="CustomerDetailView_ItemCommand" 
          runat="server" 
          OnPageIndexChanging="CustomerDetailView_PageIndexChanging">
          
          <HeaderStyle BackColor="Navy" ForeColor="White" />
        </asp:DetailsView>
        
        <br />
        
        <asp:Label ID="ErrorMessageLabel" 
          ForeColor="Red" 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="DetailsViewSource" runat="server" 
          ConnectionString=
            "<%$ ConnectionStrings:NorthWindConnectionString%>"
          InsertCommand="INSERT INTO [Customers]([CustomerID],
            [CompanyName], [Address], [City], [PostalCode], [Country]) 
            VALUES (@CustomerID, @CompanyName, @Address, @City, 
            @PostalCode, @Country)"

          SelectCommand="Select [CustomerID], [CompanyName], 
            [Address], [City], [PostalCode], [Country] From 
            [Customers]">
        </asp:SqlDataSource>
    </form>
</body>
</html>

Keterangan

CurrentMode Gunakan properti untuk menentukan apakah DetailsView kontrol dalam mode edit, sisipkan, atau baca-saja. Tabel berikut mencantumkan nilai mode yang berbeda.

Modus Deskripsi
DetailsViewMode.Edit Kontrol DetailsView berada dalam mode edit, yang memungkinkan pengguna memperbarui nilai rekaman.
DetailsViewMode.Insert DetailsView Kontrol berada dalam mode sisipkan, yang memungkinkan pengguna untuk menambahkan rekaman baru ke sumber data.
DetailsViewMode.ReadOnly Kontrol DetailsView berada dalam mode baca-saja, yang merupakan mode tampilan normal.

Nilai ini biasanya diatur secara otomatis oleh DetailsView kontrol saat tombol perintah Baru, Perbarui, Sisipkan, Hapus, atau Batal diklik. Anda juga dapat mengubah mode secara terprogram dengan menggunakan ChangeMode metode .

DetailsView Saat kontrol berubah mode, peristiwa dalam tabel berikut dinaikkan. Ini memungkinkan Anda membuat penanganan aktivitas kustom yang melakukan rutinitas saat peristiwa terjadi.

Event Deskripsi
ModeChanged Terjadi ketika tombol perintah yang mengubah mode DetailsView kontrol diklik, tetapi setelah mode berubah.
ModeChanging Terjadi ketika tombol perintah yang mengubah mode DetailsView kontrol diklik, tetapi sebelum mode berubah.

Berlaku untuk

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