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C# (C Sharp) example - How to read an Excel file with OleDb and a simple SQL query?


C# (C Sharp) - How to read an Excel file with OleDb and a simple SQL query?

This approach is extremely useful when you need to read the data from an Excel file fast and store the data in a DataTable for further usage.
 
using System.Data;
using System.Data.OleDb;
 
... 
 
String sConnectionString = 
"Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + [Your Excel File Name Here] + ";" +
"Extended Properties=Excel 8.0;";
 

OleDbConnection objConn = new OleDbConnection(sConnectionString);
 
objConn.Open();
 
OleDbCommand objCmdSelect =new OleDbCommand("SELECT * FROM [Sheet1$]", objConn);
 
OleDbDataAdapter objAdapter1 = new OleDbDataAdapter();
 
objAdapter1.SelectCommand = objCmdSelect;
 
DataSet objDataset1 = new DataSet();
 
objAdapter1.Fill(objDataset1);
 
objConn.Close();
 
...

Category: C# (C Sharp)

 
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