通过

ValidationSummary.HeaderText 属性

  • 参考

定义

命名空间:
System.Web.UI.WebControls
程序集:
System.Web.dll

获取或设置显示在摘要上方的标题文本。

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

属性值

String

显示在摘要上方的标题文本。 默认值为 Empty。

属性
BindableAttribute

示例

下面的代码示例演示如何使用 HeaderText 属性显示控件的 ValidationSummary 标题。


<%@ 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>

注解

使用此属性可显示控件的 ValidationSummary 标题。

属性 HeaderText 未进行 HTML 编码。 因此，HTML 标记可以包含在 中 HeaderText。

设置此属性的值后，可以使用设计器工具自动保存到资源文件。 有关详细信息，请参阅 LocalizableAttribute 和 ASP.NET 全球化和本地化。

适用于