通过

HtmlInputButton 构造函数

  • 参考

定义

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

初始化 HtmlInputButton 类的新实例。

重载

HtmlInputButton()

使用默认值初始化 HtmlInputButton 类的新实例。
HtmlInputButton(String)

使用指定的按钮类型初始化 HtmlInputButton 类的新实例。

HtmlInputButton()

使用默认值初始化 HtmlInputButton 类的新实例。

public:
 HtmlInputButton();
public HtmlInputButton ();
Public Sub New ()

示例

下面的代码示例演示如何使用无参数构造函数创建控件的新实例 HtmlInputButton 。

<%@ 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 Page_Load(Object sender, EventArgs e)
      {

         // Create a new HtmlInputButton control.
         HtmlInputButton button = new HtmlInputButton();
         button.Value="Click Me";
         button.Attributes.Add("onclick", "alert('Hello from the client side.')");

         // Add the control to the Controls collection of the
         // PlaceHolder control. 
         Place.Controls.Clear();
         Place.Controls.Add(button);

      }

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>HtmlInputButton Constructor Example</title>
</head>
<body>
   <form id="form1" runat="server">
      <h3> HtmlInputButton Constructor Example </h3>

      <asp:Placeholder id="Place" 
           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">

<script runat="server">

  Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

    ' Create a new HtmlInputButton control.
    Dim button As HtmlInputButton = New HtmlInputButton()
    button.Value = "Click Me"
    button.Attributes.Add("onclick", "alert('Hello from the client side.')")

    ' Add the control to the Controls collection of the
    ' PlaceHolder control. 
    Place.Controls.Clear()
    Place.Controls.Add(button)

  End Sub

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>HtmlInputButton Constructor Example</title>
</head>
<body>
   <form id="form1" runat="server">
      <h3> HtmlInputButton Constructor Example </h3>

      <asp:Placeholder id="Place" 
           runat="server"/>

   </form>
</body>
</html>

注解

下表显示了实例 HtmlInputButton的初始属性值。

properties Value
Type “button”文本字符串。

适用于

HtmlInputButton(String)

使用指定的按钮类型初始化 HtmlInputButton 类的新实例。

public:
 HtmlInputButton(System::String ^ type);
public HtmlInputButton (string type);
new System.Web.UI.HtmlControls.HtmlInputButton : string -> System.Web.UI.HtmlControls.HtmlInputButton
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使用重载构造函数创建控件的新实例 HtmlInputButton 。

<%@ 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 Page_Load(Object sender, EventArgs e)
  {

    // Create a new HtmlInputButton control as a Submit button.
    HtmlInputButton button = new HtmlInputButton("submit");
    button.ID = "SubmitButton";
    button.Value = "Submit";

    // Create a new HtmlInputButton control as a Reset button.
    HtmlInputButton button2 = new HtmlInputButton("reset");
    button2.ID = "ResetButton";
    button2.Value = "Reset";

    // Add the controls to the Controls collection of the
    // PlaceHolder control.
    Place.Controls.Clear();
    Place.Controls.Add(button);
    Place.Controls.Add(button2);

  }

</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>HtmlInputButton Constructor Example</title>
</head>
<body>
   <form id="form1" runat="server">
      <h3> HtmlInputButton Constructor Example </h3>

      <asp:Placeholder id="Place" 
           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">

<script runat="server">

  Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

    ' Create a new HtmlInputButton control as a Submit button. 
    Dim button As HtmlInputButton = New HtmlInputButton("submit")
    button.ID = "SubmitButton"
    button.Value = "Submit"

    ' Create a new HtmlInputButton control as a Reset button.
    Dim button2 As HtmlInputButton = New HtmlInputButton("reset")
    button2.ID = "ResetButton"
    button2.Value = "Reset"

    ' Add the controls to the Controls collection of the
    ' PlaceHolder control. 
    Place.Controls.Clear()
    Place.Controls.Add(button)
    Place.Controls.Add(button2)

  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>HtmlInputButton Constructor Example</title>
</head>
<body>
   <form id="form1" runat="server">
      <h3> HtmlInputButton Constructor Example </h3>

      <asp:Placeholder id="Place" 
           runat="server"/>

   </form>
</body>
</html>

注解

下表显示了实例 HtmlInputButton的初始属性值。

properties “值”
Type type 参数的值。

下表显示了参数的不同可能值 type 。

Value 说明
button 命令按钮。
submit 将窗体提交到服务器的按钮。
reset 清除窗体的按钮。

适用于