Note: Add Folder Named (Files) in the project
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CS.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Import Excel Data into GridView</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="btnUpload" runat="server" Text="Upload" OnClick="btnUpload_Click" />
<br />
<asp:Label ID="Label1" runat="server" Text="Has Header ?"></asp:Label>
<asp:RadioButtonList ID="rbHDR" runat="server">
<asp:ListItem Text = "Yes" Value = "Yes" Selected = "True" ></asp:ListItem>
<asp:ListItem Text = "No" Value = "No"></asp:ListItem>
</asp:RadioButtonList>
<asp:GridView ID="GridView1" runat="server" OnPageIndexChanging = "PageIndexChanging" AllowPaging = "true" >
</asp:GridView>
</div>
</form>
</body>
</html>
CS.aspx.cs
-----------
using System;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data;
using System.Data.OleDb;
using System.IO;
using System.Configuration;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUpload_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
string FileName = Path.GetFileName(FileUpload1.PostedFile.FileName);
string Extension = Path.GetExtension(FileUpload1.PostedFile.FileName);
string FolderPath = ConfigurationManager.AppSettings["FolderPath"];
string FilePath = Server.MapPath(FolderPath + FileName);
FileUpload1.SaveAs(FilePath);
Import_To_Grid(FilePath, Extension, rbHDR.SelectedItem.Text);
}
}
private void Import_To_Grid(string FilePath, string Extension, string isHDR)
{
string conStr="";
switch (Extension)
{
case ".xls": //Excel 97-03
conStr = ConfigurationManager.ConnectionStrings["Excel03ConString"].ConnectionString;
break;
case ".xlsx": //Excel 07
conStr = ConfigurationManager.ConnectionStrings["Excel07ConString"].ConnectionString;
break;
}
conStr = String.Format(conStr, FilePath, isHDR);
OleDbConnection connExcel = new OleDbConnection(conStr);
OleDbCommand cmdExcel = new OleDbCommand();
OleDbDataAdapter oda = new OleDbDataAdapter();
DataTable dt = new DataTable();
cmdExcel.Connection = connExcel;
//Get the name of First Sheet
connExcel.Open();
DataTable dtExcelSchema;
dtExcelSchema = connExcel.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
string SheetName = dtExcelSchema.Rows[0]["TABLE_NAME"].ToString();
connExcel.Close();
//Read Data from First Sheet
connExcel.Open();
cmdExcel.CommandText = "SELECT * From [" + SheetName + "]";
oda.SelectCommand = cmdExcel;
oda.Fill(dt);
connExcel.Close();
//Bind Data to GridView
GridView1.Caption = Path.GetFileName(FilePath);
GridView1.DataSource = dt;
GridView1.DataBind();
}
protected void PageIndexChanging(object sender, GridViewPageEventArgs e)
{
string FolderPath = ConfigurationManager.AppSettings["FolderPath"] ;
string FileName = GridView1.Caption;
string Extension = Path.GetExtension(FileName);
string FilePath = Server.MapPath(FolderPath + FileName);
Import_To_Grid(FilePath, Extension, rbHDR.SelectedItem.Text);
GridView1.PageIndex = e.NewPageIndex;
GridView1.DataBind();
}
}
Web.Config
----------------
<appSettings>
<add key="FolderPath" value="Files/"/>
</appSettings>
<connectionStrings>
<add name="Excel03ConString" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties='Excel 8.0;HDR={1}'"/>
<add name="Excel07ConString" connectionString="Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties='Excel 8.0;HDR={1}'"/>
</connectionStrings>
if you get the following Exception :
The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine.
Read this Thread:
-------------------
http://social.msdn.microsoft.com/Forums/en-US/vstsdb/thread/1d5c04c7-157f-4955-a14b-41d912d50a64
trying to connect to an Access database in visual studio but keep getting this error?
try installing this first: http://www.microsoft.com/download/en/details.aspx?id=13255
however if, like me, that doesnt work for you, try the following method:
NOTE: this DOES work for office 2010 even though it is for 2007 office, dont ask me why it just does :)
1. download and install this: http://www.microsoft.com/download/en/confirmation.aspx?id=23734
2. in VS click add data source, follow the wizard and enjoy! :)
P.S thanks to everyone that helped me at my original thread: http://social.msdn.microsoft.com/Forums/en-US/csharpgeneral/thread/ebb05600-055a-44c4-8cd3-d33a79878b23
