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I'm trying to implement the following code into a LightSwitch 2012 project. I'm getting an error when I try to assign the this.ExpenseReport to a value. The error reads "Property or indexer 'LightSwitchApplication.ExpenseReportDetails.ExpenseReport' cannot be assigned to -- it is read only". 

partial void ExpenseReportDetails_InitializeDataWorkspace(List<IDataService> saveChangesTo)
    {

        // Write your code here.
        if (this.ExpenseReportId == -1) // -1 means new Report    
        {        // Create a new ExpenseReport        
            this.ExpenseReport = new ExpenseReport();
        }
        else
        {
            // Get existing Expense Report        
            this.ExpenseReport = this.DataWorkspace.ApplicationData.ExpenseReports_SingleOrDefault(this.ExpenseReportId);

            // Set the name of the Tab to the default field on the Entity        
            this.SetDisplayNameFromEntity(this.ExpenseReport);
        }
Oliver Weichhold
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user2296336
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1 Answers1

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The implementation of ExpenseReport does not have a set property, only a get propery. THis means that you can not run the following line:

this.ExpenseReport = this.DataWorkspace.ApplicationData.ExpenseReports_SingleOrDefault(this.ExpenseReportId);

Can you change ExpenseReport to be writable?

Guvante
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  • I'm not seeing one. I'm using this code so that when a user selects a record the info will be used to open an ExpenseReportDetails screen. – user2296336 Apr 18 '13 at 18:38