Msdn c# read excel file

Close ; richTextBox1. Show ex. Pikoh 7, 25 25 silver badges 50 50 bronze badges. Chathuranga Chandrasekara Chathuranga Chandrasekara I got a DataTable with the column formatted as number which was missing all the cells where the data was formatted as text.

Last working archive here. Only 40 lines.. Add "Extended Properties", "Excel Open ; adapter. WriteLine e. Please try it and let me know for queries. Vishal Kotak Vishal Kotak 3 3 silver badges 11 11 bronze badges. Let me explain: If you want to read a set of data and copy that in the clipboard and you know the data format e.

Another important point is in which Excel version the file is. Lance Roberts Hoghweed Hoghweed 1, 1 1 gold badge 16 16 silver badges 34 34 bronze badges. Closed conn. Dispose ; conn. Suganth G Suganth G 4, 3 3 gold badges 21 21 silver badges 43 43 bronze badges. Pros : Performance - at the time of writing the the fastest way to read an. GetFileName FileUpload1. GetExtension FileUpload1. ToString ; connExcel. Open ; cmdExcel. Fill dt ; connExcel. Vikas Lalwani Vikas Lalwani 9 9 silver badges 25 25 bronze badges.

Using this code to read a excel file. Open, FileAccess. Read, FileShare. GetRow intRowCount ; if Row! GetRow intRowCount. Mohan Kumar Mohan Kumar 7 7 silver badges 8 8 bronze badges. GetPartById sheet. First ; foreach var row in sheetData.

InnerText : cell. ElementAt int. Parse value. Jess Jess Kalpesh Kalpesh 1 1 gold badge 2 2 silver badges 13 13 bronze badges. Application ; Excel. Worksheet NwSheet; Excel. Open sheetName, Missing. Worksheet workbook. ToString NwSheet. Cells[rCnt1, cCnt1]. Cells[rCnt1, cCnt1 - 2]. GetMethod methodName ; if Convert.

ToInt32 NwSheet. Value2 ; StaticVariable. Invoke this, mParam1 ; StaticVariable. ToInt32 result ; NwSheet. ToString StaticVariable. Invoke this, mParam ; NwSheet. Empty; NwSheet. Save ; workbook. Close true, Missing. On the File menu, point to New , and then click Project. This code creates a file that is named Test1. Open Test1. For all file manipulations, it's good programming practice to wrap the code inside a try-catch-finally block to handle errors and exceptions.

Specifically, you may want to release handles to the file in the final block so that the file isn't locked indefinitely. Some possible errors include a file that doesn't exist, or a file that is already in use. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. NET to programmatically control other applications. Automation to Excel permits you to perform actions such as creating a new workbook, adding data to the workbook, or creating charts.

With Excel and other Microsoft Office applications, virtually all of the actions that you can perform manually through the user interface can also be performed programmatically by using Automation.

Excel exposes this programmatic functionality through an object model. The object model is a collection of classes and methods that serve as counterparts to the logical components of Excel. For example, there is an Application object, a Workbook object, and a Worksheet object, each of which contain the functionality of those pieces of Excel.

I used SpreadSheetGear extensively in the past and made some comparative test: it was a lot faster than any other competitor or native method. In my opinion, the best spreadsheet component around.

Beep beep Beep beep StingyJack StingyJack The files currently have a header row. That HDR option sounds backwards I get it. Did you try also setting IMEX off? You could Try to read with OleDb and if you have 12 columns, use the COM object to insert a non-affecting value into a few rows of the first column. The non-affecting value could eb removed when you go to read the SS back in. Kinda hacky, but that way you dont have to read all with COM obj. From D. Frank Fisher Frank Fisher. Also the horses mouth doesnt run well in a server environment if this is a server environmenmt — JoshBerke.

Yeah, I'd like to avoid going the COM or Interop route because of the speed issue; but that may be what we have to do. Any other ideas before I go that way? Not a poor one. It may be the only way to handle this. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.