ARTICLE

DropShadow Extender Control in Ajax Control ToolKit

Posted by Davin Martyn in Articles | ASP.NET AJAX in VB.NET on September 16, 2011

Tags: Vb, VB.NET, Vb Tutorials, Ajax, Ajax Control ToolKit

With the help of this control we can define background and curved cornersin the panel.

Reader Level: Beginner

Introduction :

DropShadow Extender Control is apply on Panel control with the help of Opacity. we want to use background shadow and curved corners in a Panel then apply DropShadow Exrender Control .

DropShadow Extender properties.

BehaviourID.
Opacity.
Radious.
Rounded.
TargetControlID.
TrackPosition.

Step 1 : Open visual studio and go to file menu option.

Select ASP.NET Web Site.
Default.aspx page open.

Step 2 : Go to Solution Explorer and right click.

Select Add New Items.
Selct Web Form option and add .
Go to source option in page .
Drag and drop control in Ajax Control ToolKit.

Code :

<title> SIMPLE APPLICATION WITH AJAX CONTROL</title>
</head>
<body>
    <form id = "form1" runat="server">
<div>
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <asp:Panel ID="Panel1" runat="server" BackColor ="Aqua">
    <asp:Label ID="Label1" runat="server" Text="Name" ></asp:Label>
    <asp:TextBox ID="TextBox1" runat="server" BackColor ="Red" ></asp:TextBox>
    <br />
<asp:Label ID="Label2" runat="server" Text="Mcn" BackColor ="Red" ></asp:Label>
    <asp:TextBox ID="TextBox2" runat="server" BackColor ="Aquamarine" ></asp:TextBox>
        <br />
        <br />
    </asp:Panel>
    <table><tr><td>Show Shadow:</td><td>
<asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="True" OnCheckedChanged ="CheckBox1_CheckedChanged" BackColor ="Red" /> </td></tr><tr>
                    <td>Rounded:</td><td>
   <asp:CheckBox ID="CheckBox2" runat="server" AutoPostBack="True" OnCheckedChanged = "CheckBox2_CheckedChanged" BackColor ="Blue"/>                 </td></tr></table>
<asp:DropShadowExtender ID="DropShadowExtender1" runat="server" Enabled = "true" TargetControlID = "Panel1" Opacity = "0" >    </asp:DropShadowExtender>
    </div>
    </form>
</body>
</html>
Step : 3 Now double click in Checkbox Control and write a code.
Code :
Protected Sub CheckBox1_CheckedChanged(sender As Object, e As System.EventArgs) Handles CheckBox1.CheckedChanged
        If CheckBox1.Checked Then
            DropShadowExtender1.Opacity = 5
        Else
           DropShadowExtender1.Opacity = 0
        End If
    End Sub
    Protected Sub CheckBox2_CheckedChanged(sender As Object, e As System.EventArgs) Handles CheckBox2.CheckedChanged
        If CheckBox2.Checked Then
            DropShadowExtender1.Rounded = True
        Else
            DropShadowExtender1.Rounded = False
        End If
End Sub