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Download StudentExcelFile.zip Download OpenXMLExcel.zip Introduction This article presents an example on how to read and write Microsoft Excel with Open XML SDK. Background In the Information Technology, it is very common that the users will give us the following requests: Given some data in the database or any other data storage, you will be asked to create an Excel file with the data and present the Excel file to the users;Given an Excel file, you will be asked to read the data and process it in your program. The article will show you an example to read from and write to Microsoft Excel files with the Open XML SDK. The example is a MVC 2 web application written in Visual Studio 2010. To keep things simple, the example only reads the first sheet of the Excel files, and the Excel files created by the example also have only a single sheet. I am well aware that the current version of the ASP.Net MVC is 4. I am also aware that not all the people are using the most recent version. The purpose to keep the example application in a lower version MVC and Visual Studio 2010 is to make the readers easier to download and run the example, because a lot of the readers do not have the most recent version of the Visual Studio. The "Controllers\HomeController.cs" is the application's controller; The "Views\Home\Index.aspx" is the application's view;The 3 files in the "SLExcelUtility" folder implements the data and utility classes to

Update for Windows Vista/Windows Server 2008.+ Only 32-bit Microsoft®Office 2010/PowerPivot for Microsoft® Excel 2010 is supported on 64-bit Windows Server 2003 R2. 500 MHz 32-bit or 64-bit processor or higher Minimum of 1 GB of RAM (2 GB or more is recommended.) 3.5 GB of available hard disk space Internet access To install and use Microsoft SQL Server 2012 PowerPivot for Microsoft Excel, complete the following steps in this order:1. Install .NET Framework 4.0 and Visual Studio 2010 Tools for Office Runtime. 2. If you are running Windows Vista or Windows Server 2008, install the platform update.3. Install Microsoft® Office 2010.4. Install PowerPivot for Microsoft Excel Important : If you install the 32-bit version of Excel, you must use the 32-bit version of PowerPivot. If you install the 64-bit version of Excel, you must use the 64-bit version of PowerPivot.After PowerPivot for Microsoft Excel is installed, you can access documentation from the PowerPivot window by clicking the Help button or by pressing F1. We recommend that you use the most recent version of the documentation, which is available from PowerPivot for Microsoft Excel Online Help. You can access additional articles, blogs, and other community content on the PowerPivot TechNet page..Note:When you start Microsoft Office 2010 Excel for the first time, you will be prompted for permission for Excel to load SQL Server 2012 PowerPivot for Microsoft Excel 2010.

The built-in Excel function TODAY() will enter the precise date of today and will display the most recent date each time the workbook is accessed. The current date and time may also be inserted using the built-in function NOW(), which will remain current even if the worksheet is opened more than once.How to insert specific date in excel online, 2016 and 20191. To enter a specific valid date in Excel, we must utilise the DATE() function. The Year, Month, and Day values are requested by the DATE function in the aforementioned code, as can be seen. If we provide the information, the default date will be displayed as follows:How to insert static date and time in excelWhen a sheet is opened or recalculated, a static value stays the same. Follow the instructions below to do so:1. Choose the cell in a table where the current date or time will be entered.2. Pick one of these:Insert the current date by pressing Ctrl+; (semi-colon).Insert the current time by pressing Ctrl+Shift+; (semi-colon).Insert the current date and time using Ctrl+; (semi-column), then hit Space, Ctrl+Shift+;, and (semi-colon).Inserting a date in excel through a drop-down calendarIf you build up a table for other users and want to ensure that the dates enter correctly, it could be a good idea to add a down calendar in your worksheet. The dates may be input with a single mouse click, and you can be certain that every date is typed correctly. When using a 32-bit version of Excel, you can utilise the MicrosoftWPS Date Picker feature. When using a 64-bit version of Excel 2016, Excel 20139, the WPS Date Picker Control will not function.How to add an automatically updating current time and date in excelUse one of the following Excel date functions to keep your date up to date today:When use the Excel date functions, keep the following in mind1. The chain will only be reopened or recalculated once, at which point the date and time returned will be updated.2. The functions use the system clock's most recent date and time.Note: This article was an attempt to make you understand how to add dates in excel online, 2016 and 2019, in both windows and mac. To get the newest version of WPS Office, you must first access this operating interface.You just need to have a little understanding of how and which way things work and you are good to go. With having this basic knowledge or information of how to use it, you can also access and use different other options on excel or spreadsheet. Also, it is very similar to Word or Document. So, in a way, if you learn one thing, like Excel, you can automatically

Quick Tips You can typically recover Excel files immediately after closing and reopening Excel.Excel for Microsoft 365 and OneDrive will have an autosave feature that periodically saves changes to active files.If your file got corrupted and didn’t save, you may be able to salvage it. It’s probably happened before. You spend a big chunk of time trying to comb through a large table on Excel, only to have the power go out or the application crash. If you didn’t get into the habit of pressing “Ctrl + S” often you might come back to an empty application. But that doesn’t mean the file is lost forever. Read on to learn how to recover unsaved Excel files quickly.Method 1 – Using AutoRecoverIf you’ve saved the file at any point, Excel will likely keep track of it and make periodic updates to the file as you go. In this case, when you open Excel after a crash, you’ll get a menu on the left that notifies you of files that you might be able to recover.From there, you can select the file version you want to preview and recover, and it’ll be loaded as a new workbook.However, if you have never saved the file, there’s another way to recover it using the stock AutoRecover feature. Note that this must be enabled through Excel settings (but is typically on by default).Step 1. Open Excel and click on “File” in the top-left.Step 2. Select “Open” and go to the “Recent” tab.Step 3. Select “Recover Unsaved Workbooks” at the bottom.”Step 4. You’ll get a file browser opened in the directory of the default AutoRecover location. Your file should be located there (it should have an .XLB extension but its name might be completely nonsensical).Step 5. Click on the file and select “Open” to recover it.You should be able to save the file normally and continue where you left off with minimal reverts.Method 2 – Recover Files With OneDriveIf you’ve synced your Microsoft account with OneDrive, Excel will most likely use OneDrive to store online copies of every file you work on. However, this must be preemptively enabled by toggling the “AutoSave” option on the top toolbar.If you’ve toggled the AutoSave on and accidentally closed the file, made a mistake you want to undo, or overwritten the file with something else, you can use OneDrive’s version history to salvage it.Step 1. Go to onedrive.live.com and log into your Microsoft Account if needed. Alternatively, open the OneDrive folder on your device.Step 2. Locate the file you want to restore.Step 3. Select the file and click on “Version history” on the top or right-click on it and select the same option from the context menu.Step 4. Click on the three dots icon next to the version you want to restore and choose “Restore” if you want to overwrite the most recent save with that one. Select “Open file” to open Excel with that version of the file so you can continue from it.Step 5. If you choose to

Saved by Smart Recalculation.If your workbook takes an excessively long time to open, or making small changes takes a long time even in manual calculation mode, it may be worth trying ForceFullCalculation.Calculate will appear in the status bar if the workbook ForceFullCalculation property has been set to True.You can control this setting using the VBE (Alt+F11), selecting ThisWorkbook in the Project Explorer (Ctrl+R) and showing the Properties Window (F4).Figure 4. Setting the Workbook.ForceFullCalculation propertyMaking workbooks calculate fasterUse the following steps and methods to make your workbooks calculate faster.Processor speed and multiple coresFor most versions of Excel, a faster processor will, of course, enable faster Excel calculation. The multithreaded calculation engine introduced in Excel 2007 enables Excel to make excellent use of multiprocessor systems, and you can expect significant performance gains with most workbooks.For most large workbooks, the calculation performance gains from multiple processors scale almost linearly with the number of physical processors. However, hyper-threading of physical processors only produces a small performance gain.For more information, see Excel performance: Performance and limit improvements.RAMPaging to a virtual-memory paging file is slow. You must have enough physical RAM for the operating system, Excel, and your workbooks. If you have more than occasional hard disk activity during calculation, and you are not running user-defined functions that trigger disk activity, you need more RAM.As mentioned, recent versions of Excel can make effective use of large amounts of memory, and the 32-bit version of Excel 2007 and Excel 2010 can handle a single workbook or a

It’s easy to forget to refresh your Pivot Tables when you add new source data. Here’s an effective solution to that problem: Add a Refresh button in your Excel report!This is very easy, and only takes a minute:There are 3 steps:Step 1: Go to the Insert menu, choose Icons and type “Refresh” in the search field. Choose the icon you want, and click on Insert. Resize and place the icon where you want to have it.Step 2: Open the VBA editor (Alt + F11). Go to the Insert menu and choose Module. Type this code:Sub RefreshAll()ActiveWorkbook.RefreshAllEnd SubStep 3: Go back to Excel, right-click on the Refresh Icon and choose “Assign Macro”. Choose the “RefreshAll” macro and click OK.The next time you add data to your Pivot Table, or you want to get the most recent data from your Datawarehouse, simply click on your new Refresh button!Important: When you save the workbook, you need to save it as either Excel Macro-Enabled Workbook or Excel Binary Workbook! BONUS TRICK:Add one more line to the code and get a popup message when the refresh is done:Sub RefreshAll()ActiveWorkbook.RefreshAllMsgBox “All tables refreshed!”End SubOf course, you can write any text you want between the double quotes.More Excel tutorials:Use Excel to validate a dataset according to Benford’s LawHow to use a Logarithmic Scale in Excel DiagramsHow to Calculate Grades in ExcelHow to Find Duplicates and Triplicates in ExcelUnhide all sheets in Excel with a simple macro that works for all your documentsAre you using a non-English version of Excel? Click here for translations of the 140 most common functions in 17 different languages:CatalanCzechDanishDutchFinnishFrenchGalicianGermanHungarianItalianNorwegianPolishPortuguese (Brazilian)Portuguese (European)RussianSpanishSwedishTurkish