示例#1
0
        private void loginbutton1_Click(object sender, EventArgs e)
        {
            bool isusername, ispassword;

            getLogin(out isusername, out ispassword);
            if (isusername && ispassword)
            {
                this.Hide();
                //MessageBox.Show("successfully login");
                showDataForm sdf = new showDataForm();
                sdf.Show();
            }
            else
            {
                if (!isusername)
                {
                    MessageBox.Show("UserName is not Correct", "ERROR!!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    usernametextBox2.Clear();
                    usernametextBox2.Focus();
                }
                else
                {
                    MessageBox.Show("Password is not Correct", "ERROR!!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    passwordtextBox1.Clear();
                    passwordtextBox1.Focus();
                }
            }
        }
        private void deletebutton2_Click(object sender, EventArgs e)
        {
            if (isEmpty())
            {
                DialogResult result = MessageBox.Show("Do You Want To Delete Records ???", "WARNING", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
                if (result == DialogResult.Yes)
                {
                    string        c    = ConfigurationManager.ConnectionStrings["db"].ConnectionString;
                    SqlConnection conn = new SqlConnection(c);
                    SqlCommand    cmd  = new SqlCommand("del", conn);
                    cmd.CommandType = CommandType.StoredProcedure;
                    conn.Open();
                    cmd.Parameters.AddWithValue("@itemname", itemnametextBox1.Text.Trim());
                    cmd.Parameters.AddWithValue("@price", pricetextBox2.Text.Trim());
                    cmd.Parameters.AddWithValue("@quantity", quantitytextBox3.Text.Trim());
                    cmd.Parameters.AddWithValue("@companyname", companynametextBox4.Text.Trim());
                    cmd.Parameters.AddWithValue("@date", dateTimePicker1.Value.Date);


                    cmd.ExecuteNonQuery();

                    MessageBox.Show("Delete Data Successfully", "INFORMATION", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    this.Close();
                    showDataForm obj = new showDataForm();
                    obj.ShowDialog();
                }
            }
        }
        private void button1_Click(object sender, EventArgs e)

        {
            if (isEmpty())
            {
                string        c    = ConfigurationManager.ConnectionStrings["db"].ConnectionString;
                SqlConnection conn = new SqlConnection(c);

                cm = new SqlCommand("select * from itbl where ItemName='" + itemnametextBox1.Text.Trim() + "'", conn);
                SqlDataAdapter ad = new SqlDataAdapter(cm);
                ad.Fill(ds);
                int i = ds.Tables[0].Rows.Count;
                if (i > 0)
                {
                    MessageBox.Show("Item Name " + itemnametextBox1.Text + " is Already Exist", "ERROR!!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    this.Close();
                    showDataForm s = new showDataForm();
                    s.Show();
                }
                else
                {
                    cm             = new SqlCommand("i", conn);
                    cm.CommandType = CommandType.StoredProcedure;
                    conn.Open();
                    cm.Parameters.AddWithValue("@itemname", itemnametextBox1.Text.Trim());
                    cm.Parameters.AddWithValue("@price", pricetextBox2.Text.Trim());
                    cm.Parameters.AddWithValue("@quantity", quantitytextBox3.Text.Trim());
                    cm.Parameters.AddWithValue("@companyname", companynametextBox4.Text.Trim());
                    cm.Parameters.AddWithValue("@date", dateTimePicker1.Value.Date);


                    cm.ExecuteNonQuery();

                    MessageBox.Show("Enter Data Successfully", "INFORMATION", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    this.Close();
                    showDataForm obj = new showDataForm();
                    obj.ShowDialog();
                }
            }
        }