共用方式為

ValidationSummary.HeaderText 屬性

  • 參考

定義

命名空間:
System.Web.UI.WebControls
組件:
System.Web.dll

取得或設定在摘要上方所顯示的標題文字。

public:
 property System::String ^ HeaderText { System::String ^ get(); void set(System::String ^ value); };
[System.ComponentModel.Bindable(true)]
public string HeaderText { get; set; }
public string HeaderText { get; set; }
[<System.ComponentModel.Bindable(true)>]
member this.HeaderText : string with get, set
member this.HeaderText : string with get, set
Public Property HeaderText As String

屬性值

String

在摘要上方所顯示的標題文字。 預設為 Empty。

屬性
BindableAttribute

範例

下列程式代碼範例示範如何使用 HeaderText 屬性來顯示控件的 ValidationSummary 標題。


<%@ Page Language="C#"%>

<!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 runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      Name:<br/>
      <asp:textbox id="NameTextBox"
        runat="server"/>
        
      <asp:requiredfieldvalidator id="NameTextBoxRequiredValidator"
        controltovalidate="NameTextBox"
        errormessage="Name field."
        text="Please enter your name"
        runat="server"/>     
        
      <br/>  
      
      City:<br/>
      <asp:textbox id="CityTextBox"
        runat="server"/>
        
      <asp:requiredfieldvalidator id="CityTextBoxRequiredValidator"
        controltovalidate="CityTextBox"
        errormessage="City field."
        text="Please enter the city."
        runat="server"/> 
        
      <br/>
      
      <asp:Button id="SubmitButton"
        text="Submit"
        runat="server"/>
      
      <hr/>
      
      <asp:ValidationSummary 
        id="valSum" 
        displaymode="BulletList" 
        headertext="You must enter a value in the following fields:"
        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">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      Name:<br/>
      <asp:textbox id="NameTextBox"
        runat="server"/>
        
      <asp:requiredfieldvalidator id="NameTextBoxRequiredValidator"
        controltovalidate="NameTextBox"
        errormessage="Name field."
        text="Please enter your name"
        runat="server"/>     
        
      <br/>  
      
      City:<br/>
      <asp:textbox id="CityTextBox"
        runat="server"/>
        
      <asp:requiredfieldvalidator id="CityTextBoxRequiredValidator"
        controltovalidate="CityTextBox"
        errormessage="City field."
        text="Please enter the city."
        runat="server"/> 
        
      <br/>
      
      <asp:Button id="SubmitButton"
        text="Submit"
        runat="server"/>
      
      <hr/>
      
      <asp:ValidationSummary 
        id="valSum" 
        displaymode="BulletList" 
        headertext="You must enter a value in the following fields:"
        runat="server"/>
    
    </form>
  </body>
</html>

備註

使用這個屬性來顯示控件的 ValidationSummary 標題。

屬性 HeaderText 不是 HTML 編碼。 因此，HTML 標籤可以包含在 中 HeaderText。

當設定時，此屬性的值可以使用設計工具自動儲存到資源檔。 如需詳細資訊，請參閱 LocalizableAttribute 和 ASP.NET 全球化和當地語系化。

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