HtmlInputSubmit 构造函数

参考

定义

命名空间:: System.Web.UI.HtmlControls

程序集:: System.Web.dll

重要

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初始化 HtmlInputSubmit 类的新实例。

重载

HtmlInputSubmit()	使用默认值初始化 HtmlInputSubmit 类的新实例。
HtmlInputSubmit(String)	使用指定的类型初始化 HtmlInputSubmit 类的新实例。

HtmlInputSubmit()

使用默认值初始化 HtmlInputSubmit 类的新实例。

public:
 HtmlInputSubmit();

public HtmlInputSubmit ();

Public Sub New ()

示例

下面的代码示例演示如何使用默认构造函数以编程方式将、 HtmlInputPassword和 HtmlInputSubmit 控件添加到HtmlInputTextWeb Forms页，以创建简单的登录屏幕。

<%@ 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">
  
  protected void page_load(object sender, EventArgs e)
  {
    if (IsPostBack)
    {
      // Add code to process the Login.
    }
  }

  protected void Page_Init(object sender, EventArgs e)
  {
    HtmlInputText userText = new HtmlInputText();
    userText.MaxLength = 20;
    Placeholder1.Controls.Add(userText);

    HtmlInputPassword passwordText = new HtmlInputPassword();
    passwordText.MaxLength = 20;
    Placeholder2.Controls.Add(passwordText);

    HtmlInputSubmit submitButton = new HtmlInputSubmit();
    submitButton.Value = "Submit";
    Placeholder3.Controls.Add(submitButton);
  }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <table cellpadding="2">
        <tr>
        <td>User Name
            <asp:placeholder
                runat="server"
                id="Placeholder1" />
        </td></tr>
        <tr>
        <td>Password
            <asp:placeholder
                runat="server"
                id="Placeholder2" />
        </td></tr>
        <tr><td><asp:placeholder
                runat="server"
                id="Placeholder3" />
        </td></tr>
      </table>
    </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">

  Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
    
    If (IsPostBack) Then
      ' Add code to process the Login.
    End If

  End Sub

  Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs)
    
    Dim userText As HtmlInputText = New HtmlInputText
    userText.MaxLength = 20
    Placeholder1.Controls.Add(userText)

    Dim passwordText As HtmlInputPassword = New HtmlInputPassword
    passwordText.MaxLength = 20
    Placeholder2.Controls.Add(passwordText)

    Dim submitButton As HtmlInputSubmit = New HtmlInputSubmit
    submitButton.Value = "Submit"
    Placeholder3.Controls.Add(submitButton)

  End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="Form1" runat="server">

      <table cellpadding="2">
        <tr>
        <td>User Name
            <asp:placeholder
                runat="server"
                id="Placeholder1" />
        </td></tr>
        <tr>
        <td>Password
            <asp:placeholder
                runat="server"
                id="Placeholder2" />
        </td></tr>
        <tr><td><asp:placeholder
                runat="server"
                id="Placeholder3" />
        </td></tr>
      </table>
    </form>
  </body>
</html>

注解

下表显示了实例 HtmlInputSubmit的初始属性值。

properties	值
HtmlControl.TagName	“submit”文本字符串。

适用于

HtmlInputSubmit(String)

使用指定的类型初始化 HtmlInputSubmit 类的新实例。

public:
 HtmlInputSubmit(System::String ^ type);

public HtmlInputSubmit (string type);

new System.Web.UI.HtmlControls.HtmlInputSubmit : string -> System.Web.UI.HtmlControls.HtmlInputSubmit

Public Sub New (type As String)

参数

type: String

输入按钮的类型。

示例

下面的代码示例演示如何以编程方式将、 HtmlInputPassword和 HtmlInputSubmit 控件添加到HtmlInputTextWeb Forms页以创建简单的登录屏幕。此示例演示如何为 type 参数传递各种值，这将替代 HTML 控件的内部类型。

<%@ 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">
  protected void page_load(object sender, EventArgs e)
  {
    if (IsPostBack)
    {
      // Add code to process the Login.
    }

  }

  protected void Page_Init(object sender, EventArgs e)
  {

    // Pass "password" to make the HtmlInput control render a
    // password input type.
    HtmlInputPassword passwordText = new HtmlInputPassword();
    passwordText.MaxLength = 20;
    Placeholder1.Controls.Add(passwordText);

    // Pass "submit" to make the HtmlInput control render a
    // form submit button.
    HtmlInputSubmit submitButton = new HtmlInputSubmit("submit");
    submitButton.Value = "Log On to System";
    Placeholder2.Controls.Add(submitButton);

  }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="Form1" runat="server">

      <table cellpadding="2">
        <tr>
        <td>Password
            <asp:placeholder
                runat="server"
                id="Placeholder1" />
        </td></tr>
        <tr><td><asp:placeholder
                runat="server"
                id="Placeholder2" />
        </td></tr>
      </table>
    </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">
  Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
    
    If (IsPostBack) Then
      ' Add code to process the Login.
    End If

  End Sub

  Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs)

    ' Pass "password" to make the HtmlInput control render a
    ' password input type.
    Dim passwordText As HtmlInputPassword = New HtmlInputPassword()
    passwordText.MaxLength = 20
    Placeholder1.Controls.Add(passwordText)

    ' Pass "submit" to make the HtmlInput control render a
    ' form submit button.
    Dim submitButton As HtmlInputSubmit = New HtmlInputSubmit("submit")
    submitButton.Value = "Log On to System"
    Placeholder2.Controls.Add(submitButton)
    
  End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
    <form id="Form1" runat="server">

      <table cellpadding="2">
        <tr>
        <td>Password
            <asp:placeholder
                runat="server"
                id="Placeholder1" />
        </td></tr>
        <tr><td><asp:placeholder
                runat="server"
                id="Placeholder2" />
        </td></tr>
      </table>
    </form>
  </body>
</html>

注解

下表显示了实例 HtmlInputSubmit的初始属性值。

properties	“值”
HtmlControl.TagName	`type` 参数的值。

适用于

通过

HtmlInputSubmit 构造函数

定义

重载

HtmlInputSubmit()

示例

注解

适用于

HtmlInputSubmit(String)

参数

示例

注解

适用于

其他资源