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();