Umbraco user control not updating

Again, same exception gets thrown, but coming from withing the instantiated class itself.The Get Orders function inside of Customers requires an instance of a connection, but you disposed of the required objects required to access the database back up in Load Data() when you called a. Be careful when you clean up your instances, that you are not using them again somewhere.This is most common in classes where you are using class-wide instantiated objects.If you create and drop your objects within each method, this isn’t going to be a problem, and you are actually following a better guideline by creating at the last necessary moment, and destroying at the first possible moment, not to mention avoiding possible exceptions like Invalid Reference Exception.You either never assigned something to the variable, never created an instance of the value assigned to the variable, or you set the variable equal to Nothing/null manually, or you called a function that set the variable to Nothing/null for you. You don’t have to use the “new” keyword, but by default the value is Nothing/null.You would have to at least initialize to a = String. Again, this is code that C# will not compile, but VB. Same as a string, any reference type must be initialized.

Try to open it in Excel or a similar program and see if it can parse the file properly.

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Other examples could be: a dropdown wich lists all files found in a specific folder, a dropdown listing data from another database, … First reference the umbraco.editor Controls assembly (can be found in the bin directory of umbraco). Your usercontrol will need to implement the umbraco.editor Control Grapper.

IUsercontrol Data Editor interface Now you can add controls and logic to your usercontrol.

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Every once in awhile, you come across this exception: System.

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