plesk panel olan sunucuma dosyalarımı attım aldığım hata ise şu;


The connection name 'radyodatabaseConnectionString' was not found in the applications configuration or the connection string is empty.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: The connection name 'radyodatabaseConnectionString' was not found in the applications configuration or the connection string is empty.

Source Error:

Line 336: </ItemTemplate>
Line 337: </asp:DataList>
Line 338: <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:radyodatabaseConnectionString %>" SelectCommand="SELECT * FROM [siteayarlari]"></asp:SqlDataSource>
Line 339: <div class="clear"></div>
Line 340: </div>


Source File: c:\inetpub\vhosts\kadehfm.com\httpdocs\Default.aspx Line: 338

Stack Trace:

[InvalidOperationException: The connection name 'radyodatabaseConnectionString' was not found in the applications configuration or the connection string is empty.]
System.Web.Compilation.ConnectionStringsExpressionBuilder.GetConnectionString(String connectionStringName) +2902778
ASP.default_aspx.__BuildControlSqlDataSource1() in c:\inetpub\vhosts\kadehfm.com\httpdocs\Default.aspx:338
ASP.default_aspx.__BuildControl__control16() in c:\inetpub\vhosts\kadehfm.com\httpdocs\Default.aspx:116
ASP.default_aspx.__BuildControlTree(default_aspx __ctrl) in c:\inetpub\vhosts\kadehfm.com\httpdocs\Default.aspx:1
ASP.default_aspx.FrameworkInitialize() in c:\windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\98045ad0\220d345e\App_Web_default.aspx.cdcab7d2.lsyf5mri.0.cs:0
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +48
System.Web.UI.Page.ProcessRequest() +72
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
System.Web.UI.Page.ProcessRequest(HttpContext context) +58
ASP.default_aspx.ProcessRequest(HttpContext context) in c:\windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\98045ad0\220d345e\App_Web_default.aspx.cdcab7d2.lsyf5mri.0.cs:0
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +341
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69