' Zeus_Private_Limited.Form4'不包含带0参数的构造函数

时间:2014-11-23 12:34:35

标签: c#

namespace Zeus_Private_Limited
{

    public partial class Form4 : Form
    {

        public Form4(string access)
        {
            InitializeComponent();
            //get the accessibility value to label
            label9.Text = access;
        }

        SqlConnection conn = new SqlConnection("Data Source=(LocalDB)\\v11.0;AttachDbFilename=\"E:\\HND\\Semester 2\\Programming With C#\\Assignment\\System\\Zeus Private Limited\\Zeus Private Limited\\ZeusDB.mdf\";Integrated Security=True");

        //Employee class is the sub class of Form4 class
        public class Employee : Form4
        {
            //All Employees can Register and Search products
            private void Register_Product()
            {

                if (textBox1.Text != "" || textBox2.Text != "" || textBox3.Text != "" || textBox4.Text != "" || textBox5.Text != "")
                {
                    DialogResult dr = MessageBox.Show("Add one product to products list?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1);
                    if (dr == DialogResult.Yes)
                    {

1 个答案:

答案 0 :(得分:0)

你没有提出问题,但为了打电话给你的表格,你需要这样的话:

var frm = Zeus_Private_Limited.Form4("ReadOnly");
frm.Show();

这是因为您构建了需要"访问"作为字符串参数:

public Form4(string access)