How to open excel doc in aspx page?

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how to view the excel document in aspx page using iframe.how to use this.

What I have tried:

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" ContentType="application/vnd.ms-excel" %>
<iframe src="" width="400" height="300" ></iframe>

i have used above code but the excel file is directly downloaded not opened how to do it.

Posted 24-Nov-16 18:41pm

Raja Ganapathy

Updated 26-Nov-16 4:35am

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3 solutions

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Abrar Kazi · Answer 1 · 2016-11-24T19:02:00

Solution 1

C#

string excelFilePath = "ExcelFilePath";
System.IO.FileInfo file = new System.IO.FileInfo(excelFilePath);
 
  if (file.Exists)
  {
    Response.Clear();
    Response.AddHeader("Content-Disposition", "attachment; filename="  +      file.Name);
    Response.AddHeader("Content-Length", file.Length.ToString());
    Response.ContentType = "application/octet-stream";
    Response.WriteFile(file.FullName);
    Response.End();
  }

Posted 24-Nov-16 19:02pm

Abrar Kazi

Comments

Raja Ganapathy 25-Nov-16 1:06am

write a code in button click?

Raja Ganapathy 25-Nov-16 1:13am

i want view the excel file in pop up view like gmail file attach file is opened.

x30 · Answer 2 · 2016-11-24T19:33:00

Have a look at https://github.com/ExcelDataReader/ExcelDataReader.

It will load the excel object into a DataReader which you can then use to to bind into your presentation layer.

C#

var _excelFile = new FileInfo("location_of_excel_file");
if (_excelFile != null && _excelFile.Exists)
{
   var fs = File.Open(_excelFile.FullName, FileMode.Open, FileAccess.Read);
   var ext = _excelFile.Extension.Replace('.', ' ').Trim();

   using (IExcelDataReader excelReader = ext == "xls"
      ? ExcelReaderFactory.CreateBinaryReader(fs)
      : ExcelReaderFactory.CreateOpenXmlReader(fs))
   {
      DataTable baseData = null;
      DataSet result = excelReader.AsDataSet();
      for (int i = 0; i < result.Tables.Count; i += 1)
      {
         // this is one method
         if (result.Tables[i].TableName.ToLower().Contains("sheet1"))
         {
            baseData = result.Tables[i];
         }
      }

      if (baseData != null)
      {
         int line = 0;
         foreach (DataRow row in baseData.Rows)
         {
            // do something
         }
      }
   }
}

Afzaal Ahmad Zeeshan · Answer 3 · 2016-11-26T04:35:00

Solution 3

You were given a valid answer on your previous question post and you haven't made any change ever since and posting same question again, with no effort. Which (reposting) is not allowed.

How to view the excel file using ASP.NET C#?[^].

Posted 26-Nov-16 4:35am

Afzaal Ahmad Zeeshan

Comments

Raja Ganapathy 27-Nov-16 23:50pm

Okay sir.