Vb.net 如何更改telerik RadButton的contenttemplate中的属性?
我的Telerik Radbutton中有以下代码:Vb.net 如何更改telerik RadButton的contenttemplate中的属性?,vb.net,telerik,contenttemplate,Vb.net,Telerik,Contenttemplate,我的Telerik Radbutton中有以下代码: <telerik:RadButton ID="RadButton1" runat="server" Height="138px" Text="RadButton" Width="264px"> <ContentTemplate> <img alt="testg" src="imagesprof.jpg" height="80" width="80" /> <sp
<telerik:RadButton ID="RadButton1" runat="server" Height="138px" Text="RadButton" Width="264px">
<ContentTemplate>
<img alt="testg" src="imagesprof.jpg" height="80" width="80" />
<span class="btnText">Question 1</span>
</ContentTemplate>
</telerik:RadButton>
我想更改代码隐藏文件中的图像和背景色。我该怎么做?添加runat=server属性,以便您可以在服务器上访问它或使用Image server控件 这里有一个例子
<telerik:RadButton ID="RadButton1" runat="server" Height="138px" Text="RadButton" Width="264px">
<ContentTemplate>
<img id="Img1" alt="testg" src="imagesprof.jpg" height="80" width="80" runat="server" />
<span class="btnText">Question 1</span>
</ContentTemplate>
</telerik:RadButton>
Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
Dim img As HtmlImage = DirectCast(RadButton1.FindControl("Img1"), HtmlImage)
img.Src = "the-new-url"
End Sub