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check canvas empty or not <“canvas11″ height=”200px” width=”200px”> <asp:Button runat=”server” ID=”btn1″ Text=”Save” OnClientClick=”checkcanvas();” /> <script type=”text/javascript”> function checkcanvas() { var i = isCanvasTransparent(); //i =true if canvas empty //i =false if canvas has image...
copy a file into another folder asp .net string targetFolder = Server.MapPath(“~/PDF”); System.IO.FileInfo fi = new System.IO.FileInfo(Server.MapPath(“~/Bookmark.pdf”)); fi.CopyTo(System.IO.Path.Combine(targetFolder, fi.Name), true);
Prevent HttpContext Current to be null WCF service NET add following code in web.config file….. <configuration> <system.serviceModel> <serviceHostingEnvironment aspNetCompatibilityEnabled=”true” /> </system.serviceModel> </configuration>
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