C# download excel file

Worksheet xlWorkBook. Close true, misValue, misValue ; xlApp. Improve this answer. Aghilas Yakoub Aghilas Yakoub Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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Building intelligent escalation chains for modern SRE. When I joined a company the same task was given to me by my team leader; instead I was expecting him to give me the task of inserting, updating and deleting in a grid view. So by considering the above requirement I decided to write this article specially focusing on beginners and those who want to learn how to upload Excel files and display in a grid view and download files in a gridview selected event which is displayed in the grid view.

Now before creating the application, let us create a table named Excelfiledemo in a database to store the downloaded Excel files in a database table having the following fields shown in the following image , In the above table I have created four columns, they are id for the unique identity, Name for the Excel file name, type for file type and data to store the actual content of the files with binary datatype because the content of the files stored in bytes.

I hope you have created the same type of table. Now let us start to create an application to upload and download Excel files step-by-step. Now switch to design mode and double click on upload button and put the following code to validate the Only Excel files to be allowed to upload. Empty; if! ReadBytes Int32 fs. Add " Name" , SqlDbType. Add " type" , SqlDbType.

Add " Data" , SqlDbType. ExecuteNonQuery ; Label2. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No.

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