Importing Contacts from .CSV file

ImportCSV.aspx

<asp:FileUpload ID="uploadCSV" runat="server" />&nbsp&nbsp <asp:Button ID="btnUpload" runat="server" Text="Upload Contacts From CSV File" onclick="btnUpload_Click" />

ImportCSV.aspx.cs

protected void btnUpload_Click(object sender, EventArgs e)     {         if (uploadCSV.HasFile)         {             FileInfo fileInfo = new FileInfo(uploadCSV.PostedFile.FileName);             if (fileInfo.Name.Contains(".csv"))             {                 string fileName = fileInfo.Name.Replace(".csv", "").ToString();                 string csvFilePath = Server.MapPath("UploadedCSVFiles") + "\\" + fileInfo.Name;                 uploadCSV.SaveAs(csvFilePath);                 string filePath = Server.MapPath("UploadedCSVFiles") + "\\";                 string strSql = "SELECT * FROM [" + fileInfo.Name + "]";                 string strCSVConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";" + "Extended Properties='text;HDR=YES;'";                System.Data.OleDb.OleDbDataAdapter adapter = new System.Data.OleDb.OleDbDataAdapter(strSql, strCSVConnString);                DataTable dtCSV = new DataTable();                DataTable dtSchema = new DataTable();                adapter.FillSchema(dtCSV, SchemaType.Mapped);                adapter.Fill(dtCSV);                }         }     }

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