// private System.ComponentModel.Container components = null;
public yiyoutushu()
{
InitializeComponent();
sqlConnection1 = new SqlConnection(dbconnection.connection);
sqlCommand1 = new SqlCommand();
sqlCommand1.Connection = sqlConnection1;
ts = new LibraryManage();
}
// private System.ComponentModel.Container components = null;
public Tushuxinxi()
{
InitializeComponent();
sqlConnection1 = new SqlConnection(dbconnection.connection);
sqlCommand1 = new SqlCommand();
sqlCommand1.Connection = sqlConnection1;
//add = false;
libraryManage = new LibraryManage();
//MessageBox.Show("没有写图书编号！", "警告");
}