private void button1_Click( object sender, EventArgs e) This option lets you specify a URL for the server-side upload handler. A PrintDialog control is used to open the Windows Print Dialog and let the user select the printer, set printer and paper properties, and print a file. Top 3 Projects in Security KeePass A lightweight and easy-to-use password manager. The Blazor File Manager component allows the easy uploading and downloading of files in a file system. This event occurs when the user drags over a drag and drop control with the mouse during a drag-drop operation : DragLeave: Occurs when the user moves the mouse onto the control when dragging an object. Now run the application and upload the file as follows . File upload dialog to filter the files by type filters specified. Drag and drop one Button and FileUploader controler onto the