default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.IO;
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.OleDb;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUpload_Click(object sender, EventArgs e)
{
try
{
HttpFileCollection uploads = HttpContext.Current.Request.Files;
for (int i = 0; i < uploads.Count; i++)
{
HttpPostedFile upload = uploads[i];
if (upload.ContentLength == 0)
continue;
string c = System.IO.Path.GetFileName(upload.FileName);
try
{
upload.SaveAs(Server.MapPath("Invoices\\") + c);
}
catch (Exception Exp)
{
throw (Exp);
}
}
if (fupExcel.PostedFile != null)
{
HttpPostedFile attFile = fupExcel.PostedFile;
int attachFileLength = attFile.ContentLength;
if (attachFileLength > 0)
{
if (fupExcel.PostedFile.ContentLength > 0)
{
string Extension = Path.GetExtension(fupExcel.PostedFile.FileName);
string inFileName = Path.GetFileName(fupExcel.PostedFile.FileName);
string pathDataSource = Server.MapPath("Invoices\\") + inFileName;
string conStr = "";
if (Extension == ".xls" || Extension == ".xlsx")
{
switch (Extension)
{
case ".xls": //Excel 1997-2003
conStr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source='" + pathDataSource.ToString() + "';" + "Extended Properties=Excel 8.0;";
break;
case ".xlsx": //Excel 2007
conStr = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source='" + fupExcel.PostedFile.FileName.ToString() + "';" + "Extended Properties=Excel 8.0;";
break;
default:
break;
}
OleDbConnection connExcel = new OleDbConnection(conStr.ToString());
OleDbCommand cmdExcel = new OleDbCommand();
OleDbDataAdapter oda = new OleDbDataAdapter();
DataTable dt = new DataTable();
connExcel.Open();
DataSet ds = new DataSet();
//Selecting Values from the first sheet
//Sheet name must be as Sheet1
OleDbDataAdapter da = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", conStr.ToString());
da.Fill(ds);
GridView1.DataSource = ds;
GridView1.DataBind();
if (GridView1.Columns.Count > 0)
{
}
connExcel.Close();
if (File.Exists(pathDataSource))
{
File.Delete(pathDataSource);
}
}
else
{
//Show your error in any error controls
}
}
else
{
fupExcel.Focus();
GridView1.DataSource = null;
GridView1.DataBind();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
}
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.IO;
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.OleDb;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUpload_Click(object sender, EventArgs e)
{
try
{
HttpFileCollection uploads = HttpContext.Current.Request.Files;
for (int i = 0; i < uploads.Count; i++)
{
HttpPostedFile upload = uploads[i];
if (upload.ContentLength == 0)
continue;
string c = System.IO.Path.GetFileName(upload.FileName);
try
{
upload.SaveAs(Server.MapPath("Invoices\\") + c);
}
catch (Exception Exp)
{
throw (Exp);
}
}
if (fupExcel.PostedFile != null)
{
HttpPostedFile attFile = fupExcel.PostedFile;
int attachFileLength = attFile.ContentLength;
if (attachFileLength > 0)
{
if (fupExcel.PostedFile.ContentLength > 0)
{
string Extension = Path.GetExtension(fupExcel.PostedFile.FileName);
string inFileName = Path.GetFileName(fupExcel.PostedFile.FileName);
string pathDataSource = Server.MapPath("Invoices\\") + inFileName;
string conStr = "";
if (Extension == ".xls" || Extension == ".xlsx")
{
switch (Extension)
{
case ".xls": //Excel 1997-2003
conStr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source='" + pathDataSource.ToString() + "';" + "Extended Properties=Excel 8.0;";
break;
case ".xlsx": //Excel 2007
conStr = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source='" + fupExcel.PostedFile.FileName.ToString() + "';" + "Extended Properties=Excel 8.0;";
break;
default:
break;
}
OleDbConnection connExcel = new OleDbConnection(conStr.ToString());
OleDbCommand cmdExcel = new OleDbCommand();
OleDbDataAdapter oda = new OleDbDataAdapter();
DataTable dt = new DataTable();
connExcel.Open();
DataSet ds = new DataSet();
//Selecting Values from the first sheet
//Sheet name must be as Sheet1
OleDbDataAdapter da = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", conStr.ToString());
da.Fill(ds);
GridView1.DataSource = ds;
GridView1.DataBind();
if (GridView1.Columns.Count > 0)
{
}
connExcel.Close();
if (File.Exists(pathDataSource))
{
File.Delete(pathDataSource);
}
}
else
{
//Show your error in any error controls
}
}
else
{
fupExcel.Focus();
GridView1.DataSource = null;
GridView1.DataBind();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
}
aspx Sourcecode
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:GridView ID="GridView1" runat="server" CellPadding="4"
Font-Names="Verdana" Font-Size="Small" ForeColor="#333333">
<RowStyle BackColor="#EFF3FB" />
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#2461BF" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>
<table>
<tr>
<td><asp:FileUpload ID="fupExcel" runat="server" Font-Names="Verdana"
Font-Size="Small" /></td>
</tr>
<tr>
<td><asp:Button ID="btnUpload" runat="server" Text="Upload" Font-Names="Verdana"
Font-Size="Small" onclick="btnUpload_Click" /></td>
</tr>
</table>
</div>
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