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| using System;
using System.ComponentModel;
using System.Web.UI.WebControls.WebParts;
using System.Web;
using System.IO;
using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.Configuration;
namespace MySolution.MyFirstWebPart
{
[ToolboxItemAttribute(false)]
public partial class MyFirstWebPart : WebPart
{
public MyFirstWebPart()
{
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
InitializeControl();
}
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btn1_Click(object sender, EventArgs e)
{
lbl1.Text = txtBox1.Text;
txtBox1.Text = "";
}
protected void btnEnvoyer_Click(object sender, EventArgs e)
{
string excelPath = Path.Combine(HttpRuntime.AppDomainAppPath, "Files/");
FileUpload1.SaveAs(excelPath);
string conString = string.Empty;
string extension = Path.GetExtension(FileUpload1.FileName);
switch (extension)
{
case ".xls": //Excel 97-03
conString = ConfigurationManager.ConnectionStrings["Excel03ConString"].ConnectionString;
break;
case ".xlsx": //Excel 07 or higher
conString = ConfigurationManager.ConnectionStrings["Excel07+ConString"].ConnectionString;
break;
}
conString = string.Format(conString, excelPath);
using (OleDbConnection excel_con = new OleDbConnection(conString))
{
excel_con.Open(); // Le problème est ici
string sheet1 = excel_con.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null).Rows[0]["TABLE_NAME"].ToString();
DataTable dtExcelData = new DataTable();
//[OPTIONAL]: It is recommended as otherwise the data will be considered as String by default.
dtExcelData.Columns.AddRange(new DataColumn[3] { new DataColumn("CustomerId", typeof(int)),
new DataColumn("Name", typeof(string)),
new DataColumn("Country",typeof(string)) });
using (OleDbDataAdapter oda = new OleDbDataAdapter("SELECT * FROM [" + sheet1 + "]", excel_con))
{
oda.Fill(dtExcelData);
}
excel_con.Close();
string consString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
using (SqlConnection con = new SqlConnection(consString))
{
using (SqlBulkCopy sqlBulkCopy = new SqlBulkCopy(con))
{
//Set the database table name
sqlBulkCopy.DestinationTableName = "dbo.Customers";
//[OPTIONAL]: Map the Excel columns with that of the database table
sqlBulkCopy.ColumnMappings.Add("CustomerId", "CustomerId");
sqlBulkCopy.ColumnMappings.Add("Name", "Name");
sqlBulkCopy.ColumnMappings.Add("Country", "Country");
con.Open();
sqlBulkCopy.WriteToServer(dtExcelData);
con.Close();
}
}
}
}
}
} |
Méthode Workbooks.Open() : propriété connectionString non initialisée
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Envoyé par -Strix-
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