17

If I can open a connection to an MS Access file in C#, how can I retrieve a list of the different tables that exist in the Access DB (and if possible, any meta-data associated with the tables)?

3

2 Answers 2

39

I just found the following solution from David Hayden

// Microsoft Access provider factory
DbProviderFactory factory = DbProviderFactories.GetFactory("System.Data.OleDb");

DataTable userTables = null;
using (DbConnection connection = factory.CreateConnection()) {
  // c:\test\test.mdb
  connection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\test\\test.mdb";
  // We only want user tables, not system tables
  string[] restrictions = new string[4];
  restrictions[3] = "Table";

  connection.Open();

  // Get list of user tables
  userTables = connection.GetSchema("Tables", restrictions);
}

List<string> tableNames = new List<string>();
for (int i=0; i < userTables.Rows.Count; i++)
    tableNames.Add(userTables.Rows[i][2].ToString());
1
  • Thanks. It worked for me. C# WPF Visual Studio 2019 Commented Jul 29, 2020 at 6:38
0

Here's are some links:

Here's a VB.NET snipit to get all the columns of a Access Table, I know it's not exactly what you're looking for, but a similar primciple apples when listing all the tables:

Dim oleConn As OleDbConnection = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & myDB & ";User Id=admin;Password=;")

oleConn.Open()
Dim schemaTable As DataTable
Dim i As Integer
schemaTable = oleConn.GetOleDbSchemaTable(OleDbSchemaGuid.Column s, _
New Object() {Nothing, Nothing, "tblTheTableToListColumns", Nothing})
For i = 0 To schemaTable.Columns.Count - 1
Debug.Print(schemaTable.Rows(i)!COLUMN_NAME.ToStri ng)
Next i
oleConn.Close()

Not the answer you're looking for? Browse other questions tagged or ask your own question.