当用户输入用户名,密码后进入主Main, 同时关闭登录的Form1, 可是我这里this.Close();却关闭不了,为什么不能关闭?
Form1.cs: 
  private void button1_Click(object sender, EventArgs e) 
        { 
            Data ds = new Data(); 
            string name = uname.Text.Trim(); 
            string password = pwd.Text.Trim(); 
            string strSql = "SELECT * FROM admin where name='" + name + "' and password='" + password + "'"; 
            if (ds.GetCount(strSql) > 0) 
            { 
                Main wm = new Main(); 
                wm.ShowDialog(); 
                this.Close(); 
            } 
            else 
            { 
                MessageBox.Show("请正确输入你的用户名和密码"); 
                uname.Text = ""; 
                pwd.Text = ""; 
                uname.Focus(); 
            }  
[此贴子已经被作者于2006-10-17 22:43:54编辑过]



											
	    

	