获取数据库表结构

DataSet ds=new DataSet(); System.Data.SqlClient.SqlConnection cnn=new System.Data.SqlClient.SqlConnection("server=(local);database=northwind;trusted_connection=yes") ; cnn.Open(); System.Data.SqlClient.SqlCommand cmd=new System.Data.SqlClient.SqlCommand(); cmd.Connection=cnn; cmd.CommandText="Select * from PersonDetails where 1<>1" ; System.Data.SqlClient.SqlDataReader dr=cmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection) ; this.dataGrid1.DataSource=dr.GetSchemaTable(); cnn.Close(); dr.Close();