<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.auto-style1 {
width: 50%;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<table align="center" class="auto-style1">
<tr>
<td>
<asp:FileUpload ID="FileUpload1" runat="server" Width="200px" /> <asp:Button ID="Button1" runat="server" Style="margin-left: 0px" Text="Upload" OnClick="Button1_Click" /></td>
</tr>
<tr>
<td>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="ID" HeaderText="ID" HtmlEncode="False" ReadOnly="True" />
<asp:BoundField DataField="NAME" HeaderText="NAME" HtmlEncode="False" ReadOnly="True" />
<asp:BoundField DataField="JOINDATE" HeaderText="JOINDATE" HtmlEncode="False" DataFormatString="{0:d}" ReadOnly="True" />
</Columns>
</asp:GridView>
</td>
</tr>
</table>
</form>
</body>
</html>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.auto-style1 {
width: 50%;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<table align="center" class="auto-style1">
<tr>
<td>
<asp:FileUpload ID="FileUpload1" runat="server" Width="200px" /> <asp:Button ID="Button1" runat="server" Style="margin-left: 0px" Text="Upload" OnClick="Button1_Click" /></td>
</tr>
<tr>
<td>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="ID" HeaderText="ID" HtmlEncode="False" ReadOnly="True" />
<asp:BoundField DataField="NAME" HeaderText="NAME" HtmlEncode="False" ReadOnly="True" />
<asp:BoundField DataField="JOINDATE" HeaderText="JOINDATE" HtmlEncode="False" DataFormatString="{0:d}" ReadOnly="True" />
</Columns>
</asp:GridView>
</td>
</tr>
</table>
</form>
</body>
</html>
-----------------------------------------------
using Microsoft.Office.Interop.Excel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Excel = Microsoft.Office.Interop.Excel.Application;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
// processExcel("D:\\Book1.xlsx");
}
private void processExcel(string filename)
{
Application xlApp;
Workbook xlWorkBook;
Worksheet xlWorkSheet;
var missing = System.Reflection.Missing.Value;
xlApp = new ApplicationClass();
xlWorkBook = xlApp.Workbooks.Open(filename);
//xlWorkBook = xlApp.Workbooks.Open(filename, false, true, missing, missing, missing, true, XlPlatform.xlWindows, '\t', false, false, 0, false, true, 0);
xlWorkSheet = (Worksheet)xlWorkBook.Worksheets.get_Item(1);
Range xlRange = xlWorkSheet.UsedRange;
Array myValues = (Array)xlRange.Cells.Value2;
int vertical = myValues.GetLength(0);
int horizontal = myValues.GetLength(1);
System.Data.DataTable dt = new System.Data.DataTable();
DateTime tempD = new DateTime();
//if (DateTime.TryParse(myValues.GetValue(3, 3).ToString(), out tempD))
//{
//}
// must start with index = 1
// get header information
for (int i = 1; i <= horizontal; i++)
{
dt.Columns.Add(new DataColumn(myValues.GetValue(1, i).ToString()));
}
// Get the row information
for (int a = 2; a <= vertical; a++)
{
object[] poop = new object[horizontal];
for (int b = 1; b <= horizontal; b++)
{
try
{
poop[b - 1] = myValues.GetValue(a, b);
if (poop[2] != null)
{
double d = double.Parse(myValues.GetValue(a, b).ToString());
// DateTime conv = DateTime.FromOADate(d);
DateTime conv = DateTime.FromOADate(d);
//string date = conv.Date.ToString();
//string date = conv.ToShortDateString();
// poop[b - 1] = date;
poop[b - 1] = conv;
}
else
{
poop[b - 1] = myValues.GetValue(a, b);
}
}
catch (Exception ex)
{
poop[b - 1] = "DateTime is not currect format !";
}
}
DataRow row = dt.NewRow();
row.ItemArray = poop;
dt.Rows.Add(row);
}
//
//foreach (DataRow dr in dt.Rows)
//{
// double d = double.Parse(dr["JoinDate"].ToString());
// DateTime conv = DateTime.FromOADate(d);
// string date = conv.Date.ToString();
//}
// assign table to default data grid view
GridView1.DataSource = dt;
GridView1.DataBind();
xlWorkBook.Close(true, missing, missing);
xlApp.Quit();
releaseObject(xlWorkSheet);
releaseObject(xlWorkBook);
releaseObject(xlApp);
}
private void releaseObject(object obj)
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
obj = null;
}
catch (Exception ex)
{
obj = null;
Response.Write("Unable to release the Object " + ex.ToString());
}
finally
{
GC.Collect();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
string FilePath = FileUpload1.PostedFile.FileName;
//string path = @"D:\Book1.xlsx";
// string path = System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName);
processExcel(FilePath);
}
}
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