Class for importing dataset in Excel

Source: Internet
Author: User

Using system;
Using system. Data;
Using system. Data. oledb;

Namespace legendigital. Swim. Common
{
/// <Summary>
/// Summary description for excel.
/// </Summary>
Publicclass Excel
{
Privateconststring string_conecttionstring = "provider = Microsoft. Jet. oledb.4.0; Data Source = {0}; extended properties =" Excel 8.0; HDR = yes; IMEX = 1 ;"";
Public Excel ()
{
//
// Todo: Add constructor logic here
//
}
Publicstatic datatable getdatatable (string excelfilepath, string SQL)
{
Try
{
Dataset DS = new dataset ();
String connstring = string. Format (string_conecttionstring, excelfilepath );
Using (oledbconnection CNN = new oledbconnection (connstring ))
{
CNN. open ();
Oledbdataadapter dataadapter = new oledbdataadapter (SQL, CNN );
Dataadapter. Fill (DS );
CNN. Close ();
Return Ds. Tables [0];
}
}
Finally
{
}
}
Publicstatic dataset filldataset (string excelfilepath, string SQL, dataset DS)
{
Datatable dt = getdatatable (excelfilepath, SQL );

Foreach (datarow DR in DT. Rows)
{
Try
{
Datarow newdr = Ds. Tables [0]. newrow ();
Foreach (datacolumn DC in DT. columns)
{
If (Ds. Tables [0]. Columns. Contains (DC. columnname ))
{
Newdr [DC. columnname] = Dr [DC. columnname];
}
}
DS. Tables [0]. Rows. Add (newdr );
}
Catch
{

}
}

DS. acceptchanges ();

Return Ds;

}
}
}

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.