C#

// FormParent.cs
using System;
using System.Drawing;
using System.Windows.Forms;

namespace ChildToParentDemo
{
    public partial class FormParent : Form
    {
        private Button buttonShowChild;

        public FormParent()
        {
            InitializeComponent();
            buttonShowChild = new Button();
            buttonShowChild.Text = "&Show Child";
            buttonShowChild.Location = new Point(12, 12);
            Controls.Add(buttonShowChild);
            AcceptButton = buttonShowChild;
            buttonShowChild.Click += buttonShowChild_Click;
        }

        private void buttonShowChild_Click(object sender, EventArgs e)
        {
            FormChild formChild = new FormChild();
            formChild.StringData += formChild_StringData;
            formChild.ShowDialog(this);
            formChild.Dispose();
        }

        void formChild_StringData(object sender, StringDataEventArgs e)
        {
            // Got data in e here!
            MessageBox.Show(e.StringData);
        }
    }
}

// FormChild.cs
using System;
using System.Drawing;
using System.Windows.Forms;

namespace ChildToParentDemo
{
    public partial class FormChild : Form
    {
        public event EventHandler<StringDataEventArgs> StringData;

        private Button buttonBroadcastData;
        private TextBox textBoxStringData;

        public FormChild()
        {
            InitializeComponent();
            textBoxStringData = new TextBox();
            textBoxStringData.Location = new Point(12, 12);
            buttonBroadcastData = new Button();
            buttonBroadcastData.Text = "&Broadcast Data";
            buttonBroadcastData.Location = new Point(124, 12);
            Controls.AddRange(new Control[] 
                { textBoxStringData, buttonBroadcastData });
            AcceptButton = buttonBroadcastData;
            buttonBroadcastData.Click += buttonBroadcastData_Click;
        }

        private void buttonBroadcastData_Click(object sender, EventArgs e)
        {
            OnStringData(new StringDataEventArgs(textBoxStringData.Text));
        }

        protected virtual void OnStringData(StringDataEventArgs e)
        {
            EventHandler<StringDataEventArgs> eh = StringData;
            if (eh != null)
                eh(this, e);
        }
    }
}

// StringDataEventArgs.cs
using System;

namespace ChildToParentDemo
{
    public class StringDataEventArgs : EventArgs
    {
        private string stringData;

        public StringDataEventArgs(string stringData)
        {
            this.stringData = stringData;
        }

        public string StringData
        {
            get { return stringData; }
        }
    }
}

{
  Validate();
  BindingContext[dsOrders, "Orders"].EndCurrentEdit();
  dgvOrders.Rows[e.RowIndex].ErrorText = "";
}

Thaer Hamael wrote:

you put a source of the report and the report shows all the details

I are Troll

private void button1_Click(object sender, EventArgs e)
    {
    string text = tbPath.Text;
    string match = @"(?<=\<div class=""middleadimggold""\>).*?(?=\</div\>)";
    if (Regex.IsMatch(text, match))
        {
        MessageBox.Show(text);
        }
    }

<div class="middleadimggold">Data</div>