急

[qq_39333997]

这怎么解决
private void btAdd_Click(object sender, System.EventArgs e)
{
if(name.Text.Trim()==""||password.Text.Trim()=="")
MessageBox.Show("请输入用户名和密码","提示");
else
{
oleConnection1.Open();

[全栈极简]

http://www.cnblogs.com/buguge/p/4845997.html http://blog.csdn.net/sat472291519/article/details/41007681

[xian_wwq]

oleConnection1 先创建后使用，lz查下代码是不是只有定义，没有初始化