oledb

I have a database in .ACCDB format with some tables. I'm successfully loading it into an OleDbDataReader with the following code: string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;data source=C:\\marcelo.accdb"; OleDbConnection conn = new OleDbConnection(connectionString); string sql = "SELECT * FROM Clientes"; OleDbCommand cmd = new OleDbCommand(sql, conn); conn.Open(); OleDbDataReader reader; reader = cmd.ExecuteReader(); I'd like to load the table "clientes" to a datatable instead. How should I do it ? Justin Niessner string connString = "Provider=Microsoft.ACE.OLEDB.12.0;data

Does anyone know how to write to an excel file (.xls) via OLEDB in C#? I'm doing the following: OleDbCommand dbCmd = new OleDbCommand("CREATE TABLE [test$] (...)", connection); dbCmd.CommandTimeout = mTimeout; results = dbCmd.ExecuteNonQuery(); But I get an OleDbException thrown with message: "Cannot modify the design of table 'test$'. It is in a read-only database." My connection seems fine and I can select data fine but I can't seem to insert data into the excel file, does anyone know how I get read/write access to the excel file via OLEDB? Zorantula You need to add ReadOnly=False; to your

I need to read XLSX files and extract a maximum amount of content from it. Which of the API's should I use? OLE DB, open XML SDK, or Excel Interop? Which is the easiest to use? Can you retrieve all the information using one or the other? i.e, date, times, merged cells, tables, pivottables, etc. You can try all of them and choose the one that fits you most... Depending on data you want to read, I'd suggest you to use Open XML over Interop or Ole DB. I don't know an open XML SDK, although I've some experience with EPPlus library which I'm using a lot and can say only good words about it - it's