Firebase admob广告正在模拟器中显示，释放APK后，它会收到错误String cs = (@"Data Source=DESKTOP-3BDK76K\SQLEXPRESS;Initial Catalog=FurnitureOrdering;Integrated Security=True");
private void button1_Click(object sender, EventArgs e)
{
try
{
SqlConnection myConnection = default(SqlConnection);
myConnection = new SqlConnection(cs);
SqlCommand myCommand = default(SqlCommand);
myCommand = new SqlCommand("SELECT username,password FROM Register WHERE username= @username AND password = @password");
SqlParameter uName = new SqlParameter("@username", SqlDbType.VarChar);
SqlParameter uPassword = new SqlParameter("@password", SqlDbType.VarChar);
uName.Value = txtUserName.Text;
uPassword.Value = txtPassword.Text;
myCommand.Parameters.Add(uName);
myCommand.Parameters.Add(uPassword);
myConnection.Open();
SqlDataReader myReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
if (myReader.Read() == true)
{
MessageBox.Show("Successfully logged-in"+ txtUserName.Text);
this.Hide();
Main_UI ss2 = new Main_UI();
ss2.Show();
}
else
{
MessageBox.Show("Login failed!");
txtUserName.Clear();
txtPassword.Clear();
}
if (myConnection.State == ConnectionState.Open)
{
myConnection.Dispose();
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
。
出于某种信息，我没有将APK部署到游戏商店，我只是释放了APK并安装在了我的手机上。谁能给我一个解决方案？