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Customized Slider

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Slider
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Rober Rajiv
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Rober Rajiv asked on 07 Sep 2009, 07:06 AM
Hi,

My initial requirement goes like this:
    1. I want to create a customized horizontal slider of height 30px.
    2. Want to create this as a server control
    3. Need to display a text in the Selected Region
   
I have created the above slider using customized skin with height 30px and its working fine.
But if i try to create it as a custom control, i face the following issue:
  The DragHandle is displayed as link with text "Drag", and is displayed below the track. (This works fine if i try without using a server control.). Need some help in this regard.

And how can i display some text in the SelectedRegion?

Code Snippet - Custom Control:
using System; 
using System.ComponentModel; 
using System.Globalization; 
using System.IO; 
using System.Web; 
using System.Web.UI; 
using Telerik.Web.UI; 
 
namespace MyCustomSlider 
    [ToolboxData("<{0}:WebPlatformSlider runat=server></{0}:WebPlatformSlider>")] 
    public class CustomSlider : RadSlider 
    { 
 
        protected override void OnPreRender(EventArgs e) 
        { 
            base.OnPreRender(e); 
        } 
 
        protected override string CssClassFormatString 
        { 
            get 
            { 
                return "RadSlider RadSlider_{0}"
            } 
        } 
 
        [Browsable(false)] 
        public override bool EnableEmbeddedSkins 
        { 
            get 
            { 
                return false
            } 
        } 
 
        [Browsable(false)] 
        public override bool EnableEmbeddedBaseStylesheet 
        { 
            get 
            { 
                return false
            } 
        } 
 
        [Browsable(true)] 
        public override string Skin 
        { 
            get 
            { 
                return "Default"
            } 
        } 
 
        [Browsable(false)] 
        public new bool Modal 
        { 
            get 
            { 
                return true
            } 
        } 
 
    } 
 

Code Snippet - .aspx page

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Sample.aspx.cs" Inherits="Telerik_SampleSlider.SampleSlider" Theme="Default" %> 
<%@ Register TagPrefix="tel" Namespace="MyCustomSlider" Assembly="MyCustomSlider" %> 
<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %> 
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
 
<html xmlns="http://www.w3.org/1999/xhtml" > 
<head runat="server"
    <title></title
</head> 
<body> 
    <form id="form1" runat="server"
    <telerik:RadScriptManager ID="RadScriptManager1" runat="server"></telerik:RadScriptManager> 
    <div> 
    <br /> 
    <br /> 
   <tel:CustomSlider ID="RadSlider1" runat="server" ShowDecreaseHandle="false" ShowIncreaseHandle="false"
   </tel:CustomSlider> 
       </div> 
    </form> 
</body> 
</html> 
 



Slider.Default.css

.RadSlider_Default div.rslHorizontal 
    height:21px
 
.RadSlider_Default div.rslHorizontal a.rslHandle 
    width:27px;  
    height:21px
    line-height:21px
 
.RadSlider_Default div.rslHorizontal a.rslDraghandle 
    width:23px;  
    height:30px
    line-height:30px
    margin-top:-1px
    background-image:url('Slider/dragHandle.JPG'); 
    background-position:0 1px
 
.RadSlider_Default div.rslHorizontal a.rslDraghandle:hover, 
.RadSlider_Default div.rslHorizontal a.rslDraghandle:focus, 
.RadSlider_Default div.rslHorizontal a.rslDraghandle:active 
    background-position:0 1px
     
.RadSlider_Default div.rslHorizontal div.rslTrack 
    left27px
    top: 0; 
    height19px
    line-height19px
    margin-top0px
    background-color#FFFFFF
    border-topsolid 1px #2c7b90
    border-bottomsolid 1px #024e6e
 
.RadSlider_Default div.rslHorizontal div.rslSelectedregion 
    height19px
    line-height19px
    background-color#CEEBFF

Regards,
Rajiv

1 Answer, 1 is accepted

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Tsvetie
Telerik team
answered on 09 Sep 2009, 07:47 AM
Hello Rajiv,
You need to add a reference to your custom CSS files on your page - you need both the common CSS file as well as the skin-specific one. For example:
<html xmlns="http://www.w3.org/1999/xhtml"
<head id="Head1" runat="server"
    <title></title
    <link href="Skin/Slider.css" rel="stylesheet" type="text/css" /> 
    <link href="Skin/Default/Slider.Default.css" rel="stylesheet" type="text/css" /> 
</head> 
<body> 
    <form id="form1" runat="server"
    <telerik:RadScriptManager ID="RadScriptManager1" runat="server"
    </telerik:RadScriptManager> 
    <div> 
        <br /> 
        <br /> 
        <tel:CustomSlider ID="RadSlider1" runat="server" ShowDecreaseHandle="false" ShowIncreaseHandle="false"
        </tel:CustomSlider> 
    </div> 
    </form> 
</body> 
</html> 


Kind regards,
Tsvetie
the Telerik team

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Slider
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Rober Rajiv
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Tsvetie
Telerik team
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