How Do I Read A Excel File On Button Click Event

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kindly help how do i open a excel sheet on clicking a button.and for connection string why we are providing like this explain me about the connection string "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileName + ";Extended Properties=\"Excel 8.0;HDR=YES;\"

Posted 14-Apr-14 20:47pm

karthikeyan9966

Updated 15-Apr-14 9:12am

ZurdoDev

v2

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Ganesh KP 15-Apr-14 2:53am

Where you want to read the excel file? You have given two questions, how to read and how to open? Which is your question? Please give some clarity regarding your question.

karthikeyan9966 15-Apr-14 3:01am

how to open an excel file on clicking a button

gggustafson 15-Apr-14 12:00pm

Do you want to get to the contents of the Excel file or do you want Excel to open the file for you (i.e., open the file in a new window)?

Bh@gyesh 15-Apr-14 5:23am

Hi,
Is it your window application or web application?
Try : Process.Start(pathoffile);

ZurdoDev 15-Apr-14 15:11pm

What do you mean by open? I know it makes sense in your head but you can open it in code and process it all in code so the user never sees anything. Or, you can open it for the user. You need to give more info.

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bunzitop · Answer 1 · 2014-04-15T06:30:00

if u r looking for importing data from excel file and show it to datagridview /save to database then u may try

DialogResult dr= openFileDialog.ShowDialog();
          if (dr == DialogResult.OK && openFileDialog.CheckFileExists )
          {
              string connectionString = String.Format(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties=""Excel 8.0;HDR=YES;IMEX=1;""", openFileDialog.FileName);
              string query = String.Format("select * from [{0}$]", "Sheet1");
              OleDbDataAdapter dataAdapter = new OleDbDataAdapter(query, connectionString);
              DataSet dataSet = new DataSet();
              dataAdapter.Fill(dataSet);
              dgvStudents.DataSource = dataSet.Tables[0];
          }