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如何检查身份验证c#firebase_C#_Firebase_Firebase Authentication - Fatal编程技术网

如何检查身份验证c#firebase

如何检查身份验证c#firebase,c#,firebase,firebase-authentication,C#,Firebase,Firebase Authentication,我有一个问题,关于对象引用未设置为此代码中对象的实例: private async void ButtonLogin_Click(object sender, EventArgs e) { try { FirebaseResponse firebaseResponse = await client.GetTaskAsync("User/" + textBoxUsername.Text);

我有一个问题,关于
对象引用未设置为此代码中对象的实例

 private async void ButtonLogin_Click(object sender, EventArgs e)
        {
            try
            {
                FirebaseResponse firebaseResponse = await client.GetTaskAsync("User/" + textBoxUsername.Text);
                DataLogin datar = firebaseResponse.ResultAs<DataLogin>();

                if (textBoxPassword.Text == datar.password)
                {
                    MessageBox.Show("Success");
                }

            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
private async void按钮登录单击(对象发送方,事件参数e)
{
尝试
{
FirebaseResponse FirebaseResponse=wait client.GetTaskAsync(“User/”+textBoxUsername.Text);

DataLogin datar=firebaseress.ResultAs(); if(textBoxPassword.Text==datar.password) { MessageBox.Show(“成功”); } } 捕获(例外情况除外) { MessageBox.Show(例如Message); } }
具体是哪个对象?AFAIK异常包含该信息。DataLogin datar=firebaseress.ResultAs();请检查
firebaseResponse
是否不为空。