Excel file using c#




















In this example, we have opened the first worksheet using MyBook. The below piece of code demonstrates reading of Excel sheet cells and storing each row in an Employee object.

To my surprise, here we have used BindingList for Employee objects rather than a normal List. The reason behind this usage is that, any modification to BindingList will cause the component model object to refresh if the data source of the UI element is set as a BindingList object.

This feature is not achievable using a traditional list. Right click on your project and go to Add reference. Add the Microsoft. Excel assembly.

Include using Microsoft. Excel; to make use of assembly. Here is the sample code: using Microsoft. Open fileName, Type. Print valueArray[row, col]. Close false, Type. Missing ; Marshal. Quit ; Marshal. Green goblin Green goblin 9, 13 13 gold badges 67 67 silver badges bronze badges. Workbooks , the Worksheets object created on workbook.

Worksheets , Range objects created on worksheet. Rows and worksheet. Columns , and the excelRange object. Also I think replace the two worksheet. UsedRange usages with excelRange variable in case more COM objects are created from not using the existing variable.

Fill myDataSet ; con. 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 Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services.

Privacy policy. NET to fill and retrieve values in a multi-cell range by using arrays. To fill a multi-cell range without populating cells one at a time, you can set the Value property of a Range object to a two-dimensional array.

Likewise, you can retrieve a two-dimensional array of values for multiple cells at once by using the Value property.

The following steps demonstrate this process for both setting and retrieving data using two-dimensional arrays. On the File menu, click New, and then click Project. Add to Project We add line 7 below so we can use the types inside the namespace:. Generic; using System. Linq; using System. Text; using System. Create a Workbook We call the ExcelPackage class constructor to create a workbook. Add "Worksheet1" ; excel. Add "Worksheet2" ; excel.

The SaveAs method will throw an exception if there are no worksheets defined. Select a Worksheet Let's say we want to add some data to Worksheet1. How can we target it? Add a Row Spreadsheets typically have header rows. Let's add a header row to Worksheet1.



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