DataGrid的数据填充：

SqlConnection conn=new SqlConnection("server=.;database=LibraryManagement;integrated security=true");
SqlDataAdapter sda=new SqlDataAdapter("select * from TuShu",conn);
DataSet ds=new DataSet();
sda.Fill(ds);
this.dataGrid1.DataSource=ds.Tables[0];

Server=.;Database=DB;uid;pwd=playware