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This example demonstrates how to post back selected color to server (obout AJAXPage).
Example code
<script runat=server language="c#">
void Page_load(objectsender, EventArgs e){
if(!IsPostBack && !IsCallback)
color.Style["background-color"]= picker.InitialColor = "#FFFFFF";
}
public void OnColorSelect(string mColor){
Message.Text= "Server get color: " + mColor + " (previous value: " +picker.InitialColor + ")";
picker.InitialColor= color.Style["background-color"]= mColor;
UpdatePanel("cpColor");
}
</script>
<script type="text/JavaScript">
function OnColorPicked(sender){
if(typeof ob_post == "object"){
ob_post.AddParam("mColor", sender.getColor());
ob_post.post(null, "OnColorSelect",function(){});
}
}
</script>
...
<oajax:CallbackPanel id="cpColor" runat="server" >
<content>
Click to the box:
<obout:ColorPicker runat="server" OnClientPicked="OnColorPicked" Id="picker"
TargetId="color" TargetProperty="style.backgroundColor" VerticalPosition="Top" >
<asp:TextBox readOnly="true" id="color" style="cursor: pointer;" runat="server"/>
</obout:ColorPicker> <br/><br/>
<asp:label id="Message" runat="server"/>
</content>
</oajax:CallbackPanel>
See the full source code in /ColorPicker/aspnet_ajaxOnPick.aspx file of downloaded Suite.
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