Var excelRows = _to_row_object_array(workbook. Read all rows from First Sheet into an JSON array. Validate whether File is valid Excel file. Var fileUpload = document.getElementById("fileUpload") Now, we will create the function to upload the file and process the Excel file to get data from it and convert it into HTML table. I have also included empty HTML div to create table inside it from our Excel file. To explain this we have created a simple HTML page into which we have four buttons which calls the method GetData(cell,row) as defined in the JavaScript. Here is the example which gets the data from the excel file with the cell and row index values. Let's beging by adding simple HTML file input and button to upload file By the use of JavaScript we can get the excel file data as well. When file is uploaded using Javascript, it is read as Binary string initially, and then binary data is read using xlsx plugin. Net Framework /, , objSheet.Cells 2,2 'Hello' String str objSheet.Cells 2,2.ToString() (str. In the previous post, I have explained how we can read csv file using javascript and HTML 5 filereader, now in this post, I have explained h ow we can use external library like xlsx to parse or read excel file using javascript and show it's contents in HTML table.
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