How to convert excel file to the text file in c#?
Hi all,
I have a application that need save excel file to the database. I need convert excel file to the text file and then use the bulk insert in t-sql.
Can someone give me some ideas about how to convert the excel file to the text file.
Thanks in advance!
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bjcanada
1/12/2009 10:01:42 PM
asp.net.integration
1945 articles. 
0 followers.
3 Replies
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bjcanada:
Can someone give me some ideas about how to convert the excel file to the text file.
You can treat an Excel file as a database to extract information. This sample binds it to a GridView but you could loop with the DataReader to extract the data and write it to a file.
// using System.Data.OleDb OleDbConnection ExcelConection = null; OleDbCommand ExcelCommand = null; OleDbDataReader ExcelReader = null; OleDbConnectionStringBuilder OleStringBuilder = null; try { OleStringBuilder = new OleDbConnectionStringBuilder(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\MyExcel.xls;Extended Properties='Excel 8.0;HDR=Yes;IMEX=1';"); OleStringBuilder.DataSource = MapPath(@"~\App_Datav\MyExcelWorksheet.xls"); ExcelConection = new OleDbConnection(); ExcelConection.ConnectionString = OleStringBuilder.ConnectionString; ExcelCommand = new OleDbCommand(); ExcelCommand.Connection = ExcelConection; ExcelCommand.CommandText = "Select * From [Sheet1$]"; ExcelConection.Open(); ExcelReader = ExcelCommand.ExecuteReader(); GridView1.DataSource = ExcelReader; GridView1.DataBind(); } catch (Exception Args) { LabelErrorMsg.Text = "Could not open Excel file: " + Args.Message; } finally { if (ExcelCommand != null) ExcelCommand.Dispose(); if (ExcelReader != null) ExcelReader.Dispose(); if (ExcelConection != null) ExcelConection.Dispose(); }
Steve Wellens
My blog
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SGWellens
1/12/2009 11:07:14 PM
Thanks a lot!
Can someone tell how to use bulk copy directly copy excel file into the sql server database?
Thanks in advance1
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bjcanada
1/13/2009 2:34:33 PM
Hi,
Do you mean you want to copy the excel data to SQLServer by using SqlbukCopy, right? You can try the following code:
1 // Connect to your Excel sheet. 2 3 string excelConnectionString = @"Provider=Microsoft .Jet.OLEDB.4.0;Data Source=Book1.xls;Extended Properties=""Excel 8.0;HDR=YES;"""; 4 5 6 using (OleDbConnection connection = new OleDbConnection(excelConnectionString)) 7 { 8 OleDbCommand command = new OleDbCommand("Select YourFields FROM [Data$]", connection); 9 connection.Open(); 10 11 // Create DbDataReader to Data Worksheet 12 13 using (DbDataReader dr = command.ExecuteReader()) 14 { 15 // SQL Server Connection String 16 string sqlConnectionString = "Data Source=.;Initial Catalog=Test;Integrated Security=True"; 17 18 // Bulk Copy to SQL Server 19 using (SqlBulkCopy bulkCopy = new SqlBulkCopy(sqlConnectionString)) 20 { 21 bulkCopy.DestinationTableName = "ExcelData"; 22 bulkCopy.WriteToServer(dr); 23 } 24 } 25 } 26Thanks.
Michael Jin.
Microsoft Online Community Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help.
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Nai
1/15/2009 6:41:14 AM
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