<form id="form1" runat="server">
<div>
<asp:Label ID="lblMessage" runat="server" ForeColor="Red"></asp:Label>
<br />
<br />
<asp:FileUpload ID="FileUpload1" runat="server" />
<br />
<br />
<asp:Button ID="btnUpload" runat="server" Text="Upload and Display" OnClick="btnUpload_Click" />
<br />
<br />
<asp:GridView ID="GridView1" runat="server" EnableViewState="false" />
</div>
</form>protected void btnUpload_Click(object sender, EventArgs e)
{
string uploadFilePath = "";
if (FileUpload1.HasFile)
{
string filename = System.IO.Path.GetFileName(Server.MapPath(FileUpload1.FileName));
uploadFilePath = "~/ExcelFileList/" + filename;
FileUpload1.SaveAs(Server.MapPath(uploadFilePath));
}
if (uploadFilePath != "")
{
string connectionstring = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties="Excel 12.0 Xml;HDR=YES;IMEX=1";
string filepath = Server.MapPath(uploadFilePath);
DataTable dt = new DataTable();
using (OleDbConnection conn = new OleDbConnection(string.Format(connectionstring, filepath)))
{
string query = @"SELECT * FROM [Sheet1$]";
using (OleDbCommand cmd = new OleDbCommand(query, conn))
{
conn.Open();
using (OleDbDataAdapter da = new OleDbDataAdapter(cmd))
{
da.Fill(dt);
}
conn.Close();
};
}
GridView1.DataSource = dt;
GridView1.DataBind();
}
else
{
lblMessage.Text = "Please select file to upload.";
}
}2020-03-16