Import and Export Excel Files into SQL with C# ?

Question

I find the Import and Export examples in SQL Excel Files with C #2005 , share with me .

Dong Lam Trien · Answer

this example too much error , i am not fix how ?

Amit Shrivastava · Answer

Hi,please check this { //Upload and save the file string excelPath = Server.MapPath("~/Files/") + Path.GetFileName(FileUpload1.PostedFile.FileName); FileUpload1.SaveAs(excelPath); string conString = string.Empty; string extension = Path.GetExtension(FileUpload1.PostedFile.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(); 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("Id", typeof(int)), new DataColumn("Name", typeof(string)), new DataColumn("Salary",typeof(decimal)) }); 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.tblPersons"; //[OPTIONAL]: Map the Excel columns with that of the database table sqlBulkCopy.ColumnMappings.Add("Id", "PersonId"); sqlBulkCopy.ColumnMappings.Add("Name", "Name"); sqlBulkCopy.ColumnMappings.Add("Salary", "Salary"); con.Open(); sqlBulkCopy.WriteToServer(dtExcelData); con.Close(); } } }

Rahul Prasad · Answer

This article might be useful http://www.codeproject.com/Tips/636719/Import-MS-Excel-data-to-SQL-Server-table-using-Csh

Import and Export Excel Files into SQL with C# ?

Answers (3)