I need to see if a table exists in an Access database used by my c# program. Is know there are SQL commands for other databases that will return a list of tables. Is there such a command for Access/Jet databases?
Try the GetSchema()
connection.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\\access.mdb";
connection.Open();
DataTable userTables = connection.GetSchema("Tables");
Full code : Get List of Tables in an Access Database - ADO.NET Tutorials
// 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);
}
// Add list of table names to listBox
for (int i=0; i < userTables.Rows.Count; i++)
listBox1.Items.Add(userTables.Rows[i][2].ToString())
here is answer for you : http://social.msdn.microsoft.com/Forums/en/adodotnetdataproviders/thread/d2eaf851-fc06-49a1-b7bd-bca76669783e
Something like this should do the trick. The clause Type = 1
specifies tables. Note that this will also include the system tables in the result set (they start with the prefix "MSys".
SELECT Name FROM MSysObjects WHERE Type = 1
来源:https://stackoverflow.com/questions/6152545/how-can-i-get-a-list-of-tables-in-an-access-jet-database