ASP.Net/Asp Control/Panel

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Basic Panel Control: holding other controls (VB.net)

<%@ Page Language=VB Debug=true %>
<HTML>
<HEAD>
<TITLE>Creating a Basic Panel Control</TITLE>
</HEAD>
<BODY LEFTMARGIN="40">
<form runat="server">
<asp:panel 
    id="Panel1" 
    runat="server"
    height="80%"
    width="90%">
    Enter your name:<BR>
    <asp:textbox 
    id="txtName" 
    runat=server 
    />    
    <BR>
    Enter your password:<BR>
    <asp:textbox 
    id="txtPassword" 
    runat=server 
    />    
    <BR>
</asp:Panel>
</form>
</BODY>
</HTML>



Hide and show asp:Panel in order to hide and show the controls it contains

<%@ 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 btnSubmit_Click(ByVal sender As Object, ByVal e As EventArgs)
        If rdlOther.Checked Then
            pnlOther.Visible = True
        Else
            pnlOther.Visible = False
        End If
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Show Panel</title>
</head>
<body>
    <form id="form1" runat="server">
    Select your programming language:
    <asp:RadioButton
        id="rdlVisualBasic"
        GroupName="language"
        Text="Visual Basic"
        Runat="server" />
    <asp:RadioButton
        id="rdlCSharp"
        GroupName="language"
        Text="C#"
        Runat="server" />
    <asp:RadioButton
        id="rdlOther"
        GroupName="language"
        Text="Other Language"
        Runat="server" />
    <asp:Panel
        id="pnlOther"
        Visible="false"
        Runat="server">
        <asp:Label
            id="lblOther"
            Text="Other Language:"
            AssociatedControlID="txtOther"
            Runat="server" />
        <asp:TextBox
            id="txtOther"
            Runat="server" />    
    </asp:Panel>
    <asp:Button
        id="btnSubmit"
        Text="Submit"
        OnClick="btnSubmit_Click" 
        Runat="server" />
    </form>
</body>
</html>



Make the asp panel visible (C#)

<%@ Page Language="C#" %>
<script runat="server">
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        if (rdlOther.Checked)
            pnlOther.Visible = true;
        else
            pnlOther.Visible = false;
    }
</script>
<html>
<head>
    <title>Show Panel</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    Select your favorite programming language:
    <br /><br />
    <asp:RadioButton
        id="rdlVisualBasic"
        GroupName="language"
        Text="Visual Basic"
        Runat="server" />
    <br /><br />
    <asp:RadioButton
        id="rdlCSharp"
        GroupName="language"
        Text="C#"
        Runat="server" />
    <br /><br />
    <asp:RadioButton
        id="rdlOther"
        GroupName="language"
        Text="Other Language"
        Runat="server" />
    <br />    
    <asp:Panel
        id="pnlOther"
        Visible="false"
        Runat="server">
        
        <asp:Label
            id="lblOther"
            Text="Other Language:"
            AssociatedControlID="txtOther"
            Runat="server" />
        <asp:TextBox
            id="txtOther"
            Runat="server" />    
        
    </asp:Panel>
    
    <br /><br />
    
    <asp:Button
        id="btnSubmit"
        Text="Submit"
        Runat="server" OnClick="btnSubmit_Click" />
    
    </div>
    </form>
</body>
</html>



Panel Control: border style (VB.net)

<%@ Page Language=VB Debug=true %>
<HTML>
<HEAD>
<TITLE>Setting the Style of a Panel Control</TITLE>
</HEAD>
<BODY LEFTMARGIN="40">
<form runat="server">
<asp:panel 
    id="Panel1" 
    runat="server"
    font-name="Arial"
    font-bold="True"
    forecolor="yellow"
    backcolor="blue"
    borderstyle=3
    bordercolor="green"
    borderwidth=4
    horizontalalign="Center"
>
    Enter your name:<BR>
    <asp:textbox 
    id="txtName" 
    runat=server 
    />    
    <BR>
    Enter your password:<BR>
    <asp:textbox 
    id="txtPassword" 
    runat=server 
    />    
</asp:Panel>
</form>
</BODY>
</HTML>



Panel Control: foreground and background color (VB.net)

<%@ Page Language=VB Debug=true %>
<HTML>
<HEAD>
<TITLE>Setting the Style of a Panel Control</TITLE>
</HEAD>
<BODY LEFTMARGIN="40">
<form runat="server">
<asp:panel 
    id="Panel1" 
    runat="server"
    font-name="Arial"
    font-bold="True"
    forecolor="yellow"
    backcolor="blue"
    borderstyle=3
    bordercolor="green"
    borderwidth=4
    horizontalalign="Center"
>
    Enter your name:<BR>
    <asp:textbox 
    id="txtName" 
    runat=server 
    />    
    <BR>
    Enter your password:<BR>
    <asp:textbox 
    id="txtPassword" 
    runat=server 
    />    
</asp:Panel>
</form>
</BODY>
</HTML>



Scrollable asp panel (C#)

<%@ Page Language="C#" %>
<script runat="server">
    void Page_Load()
    {
        for (int i = 0; i < 100; i++)
            bltList.Items.Add("Item " + i.ToString());
    }
    
</script>
<html>
<head>
    <style type="text/css">
        html
        {
            background-color:silver;
        }
        .contents
        {
            background-color:white;
            width:200px;
            height:200px;
        }
    </style>
    <title>Panel ScrollBars</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    <asp:Panel
        id="pnlContent"
        ScrollBars="Auto"
        CssClass="contents"
        Runat="server">
        <asp:BulletedList
            id="bltList"
            Runat="server" />
    </asp:Panel>    
    
    </div>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.Net/Asp_Control/Panel&oldid=2085»