i am trying to insert the data from the form to database

Question

Here i am trying the code to to insert the data from form to database sql server. it should store the data once i click on submit button.

 

here is the code for submit button i have tried

 

private void button2_Click(object sender, EventArgs e)

{

string cs = @"Data Source=.;Database=master;Integrated Security=True";

if(textBox1.Text=="")

{

MessageBox.Show("All fields are manditory to Enter");

return;

}

try

{

SqlConnection con = new SqlConnection(cs);

SqlCommand cmd = new SqlCommand("insert into invoice values ("+textBox3.Text+","+textBox4.Text+","+textBox5.Text+","+textBox6.Text+",", con);

cmd.Parameters.AddWithValue("@invoice", textBox1.Text);

cmd.Parameters.AddWithValue("@prepareby", textBox2.Text);

con.Open();

SqlDataAdapter adapt = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

adapt.Fill(ds);

con.Close();

int count = ds.Tables[0].Rows.Count;

//If count is equal to 1, than show frmMain form

if (count > 0)

{

}

else

{

MessageBox.Show("Submitted Succesful");

}

}

catch (Exception ex)

{

MessageBox.Show(ex.Message);

}

}