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OleDbConnection.GetOleDbSchemaTable·½·¨
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C# code:

private void button1_Click(object sender, EventArgs e)
{
string x = @"Provider=Microsoft.Jet.OleDb.4.0;Data Source=e:\db1.mdb;";
this.dataGridView1.DataSource = GetSchemaTable(x);
}

static DataTable GetSchemaTable(string connectionString)
{
using (OleDbConnection connection = new OleDbConnection(connectionString))
{
connection.Open();
DataTable schemaTable = connection.GetOleDbSchemaTable(
OleDbSchemaGuid.Columns, //·µ»ØÁеÄÐÅÏ¢
new object[] { null, null, "SYSADDRESS", null }); //ÏÞÖÆÌõ¼þ£º±íÃûΪSYSADDRESS
return schemaTable;
}
}
}





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SQL code:

select count(1) from HouseList a left join MemberList b on
(a.OperationName=b.UName and a.Eid=1 and a.houselc='2')

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