dreamvivek

I am using visual studio 2012 and creating a project. I want to use inbuilt sql server with VS 2012. I have create a service based databse i.e. student1.mdf. I have a button and when i click on the button, data should be permanentlly saved onto the database. But its …

I have added code for plus button, but how i write code for other buttons? My code is double total1 = 0; double total2 = 0; private void plus_Click(object sender, EventArgs e) { total1 = total1 + double.Parse(textBox1.Text); textBox1.Clear(); } private void equal_Click(object sender, EventArgs e) { total2 = total1 …