摘要:
private void button1_Click(object sender, EventArgs e)//从硬盘打开图片显示在窗体里面 { OpenFileDialog op = new OpenFileDialog();//造一个打开对话框 ... 阅读全文
摘要:
public class method { //成员变量 private SqlConnection conn; private SqlCommand cmd; public method() //通过构造函数给变量赋值 { ... 阅读全文