ASP.NET Tutorial/Page Lifecycle/RegisterStartupScript

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Page.ClientScript.RegisterStartupScript (C#)

<%@ 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)
    {
       string myScript = @"alert(document.forms[0]["TextBox1"].value);";
       Page.ClientScript.RegisterStartupScript(this.GetType(), 
          "MyScript", myScript, true);
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server" Text="Hello ASP.NET"></asp:TextBox>
    </div>
    </form>
</body>
</html>


Page.ClientScript.RegisterStartupScript (VB)

<%@ 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 System.EventArgs)
       Dim myScript As String = "alert(document.forms[0]["TextBox1"].value);"
       Page.ClientScript.RegisterStartupScript(Me.GetType(), "myKey", myScript, _
          True)
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server" Text="Hello ASP.NET"></asp:TextBox>
    </div>
    </form>
</body>
</html>


Register Startup Script (C#)

<%@ page language="C#" %>
<script runat="server">
void Page_Load(object sender, System.EventArgs e){
  this.ClientScript.RegisterStartupScript(this.GetType(), "startupalert", "alert("Hello world!");", true);    
}
</script>
<html>
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form runat="server">
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/Page_Lifecycle/RegisterStartupScript&oldid=3213»