SharePoint DateTimeControl Issue When Put Inside An Update Panel

All credits for this post goes to my friend and colleague Mohamed Gamal When you add a SharePoint DateTimeControl to a webpart inside an update panel and click on the date picker icon, you will receive an "Object Expected” JavaScript error. <SharePoint:DateTimeControl ID="dtcBirthDate" runat="server" CalendarImageUrl="/_layouts/images/calendar.gif" CssClassTextBox="itw-longDate" DateOnly="true" LocaleId="7177" ToolTip="Example: 2000-12-31" DatePickerFrameUrl="/_layouts/iframe.aspx"...

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ASP.NET Tips And Hints

During my work on ASP.NET projects I passed by a number of problems. Some of these problems may be common and others may be somehow rare. Anyway, I decided to focus on these problems and come up with some sort of patterns to overcome these problems in the future. Don't get me wrong when I said patterns, they are not design patterns, they are just some arrangements which work together to help you not fall in the same mistakes every time. So,...

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How To Handle Exceptions Inside Static Constrcutors - Double Locking Concept

Static constructors are very useful but sometimes dangerous in case of depending on an external source or asset. We use static constructors to do some initialization or logic the first time our static class is used. This is very useful and already used in may applications and even design patterns like "Singleton". But, you need to be careful when using static constructors when the code inside deals with an external source or by any mean is subject to exceptions and errors because once an exception raises inside the static constructor you will...

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How To Centralize Your Web Application Settings And Decouple Your Code From Back-End Dependent Logic & Code

Every web application needs some business related settings to be set by the application user to fulfill his needs at certain time. These settings could change from time to time but they are still an asset for the application user and for sure for the application developer. Sometimes developers deal with settings as if they are some secondary things that should not take much attention. For sure they develop some sort of a methodology to manage it but they don't give it much thinking. I believe that settings should be treated in a much better...

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