示例#1
0
        private void button1_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(textBox1.Text) || String.IsNullOrEmpty(textBox2.Text))
            {
                MessageBox.Show("please Enter publisher name and publisher mail");
            }
            else
            {
                con.Open();
                SqlCommand cm = new SqlCommand("check_publisher", con);
                cm.CommandType = CommandType.StoredProcedure;

                cm.Parameters.Add(new SqlParameter("@publishername", textBox2.Text));
                cm.Parameters.Add(new SqlParameter("@publishermail", textBox1.Text));

                SqlParameter output = new SqlParameter("@@out", SqlDbType.NVarChar);
                output.Direction = ParameterDirection.Output;
                output.Size      = 50;
                cm.Parameters.Add(output);

                cm.ExecuteNonQuery();
                if (cm.Parameters["@@out"].Value is System.DBNull)
                {
                    SqlCommand cmd = new SqlCommand(@"insert into publisher (publisher_name,publisher_mail,p_code,p_phone_number)values(@name,@mail,@code,@phone)", con);
                    cmd.Parameters.Add(new SqlParameter("@name", textBox2.Text));
                    cmd.Parameters.Add(new SqlParameter("@mail", textBox1.Text));
                    cmd.Parameters.Add(new SqlParameter("@code", textBox3.Text));
                    cmd.Parameters.Add(new SqlParameter("@phone", textBox4.Text));
                    cmd.ExecuteNonQuery();
                }
                else if (cm.Parameters["@@out"].Value.ToString() == "true")
                {
                    MessageBox.Show("the name or mail is already exist");
                    Form7 f = new Form7();
                    f.Show();
                    this.Hide();
                }
                con.Close();
            }
        }
示例#2
0
 private void button1_Click_1(object sender, EventArgs e)
 {
     if (comboBox1.Text == "Book")
     {
         form5 fff = new form5();
         fff.Show();
     }
     else if (comboBox1.Text == "User")
     {
         Form6 f = new Form6();
         f.Show();
     }
     else if (comboBox1.Text == "Author")
     {
         Form8 f = new Form8();
         f.Show();
     }
     else if (comboBox1.Text == "Publisher")
     {
         Form7 f = new Form7();
         f.Show();
     }
 }