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SaveFileDialog^ sfd = gcnew SaveFileDialog();
String ^ HTMLWay;
sfd->Title = "Save HTML";
sfd->OverwritePrompt = true;
sfd->CheckPathExists = true;
sfd->Filter = "Html files (*.html)|*.html|All files (*.*)|*.*";
sfd->ShowHelp = true;
if (sfd->ShowDialog() == Windows::Forms::DialogResult::OK)
{
    try
    {
        StreamWriter ^ NewHTML = gcnew StreamWriter(sfd->FileName);
        NewHTML->WriteLine("<html>");
        NewHTML->WriteLine("<head>");
        NewHTML->WriteLine("<title>My Report</title>");
        NewHTML->WriteLine("</head>");
        NewHTML->WriteLine("<body>");
        NewHTML->WriteLine("My Amount: " + Result_of_Amount->Text + "<br>");
        NewHTML->WriteLine("Iterations: " + IterationsRes->Text + "<br>");
        NewHTML->WriteLine("Size of amount: " + SizeBox->Text + "<br>");
        NewHTML->WriteLine("My Massive[i][j]:<br>");
        for (int i = 0; i < numericUpDown2->Value; i++) {
            for (int j = 0; j < numericUpDown1->Value; j++) {
                if (j != Convert::ToInt32(numericUpDown1->Value) - 1) {
                    NewHTML->Write(Convert::ToString(Convert::ToInt32(dataGridView1->Rows[i]->Cells[j]->Value)) + " ");
                }
                else {
                    NewHTML->Write(Convert::ToString(Convert::ToInt32(dataGridView1->Rows[i]->Cells[j]->Value)) + "<br>");
                }
            }
        }
        NewHTML->WriteLine("<br>");
        NewHTML->WriteLine("<img src= "Report.bmp""alt="Report">");
        NewHTML->WriteLine("</body>");
        NewHTML->WriteLine("</html>");
        NewHTML->Close();
    }
    catch (...)
    {
        MessageBox::Show("You can save it", "ERROR", MessageBoxButtons::OK, MessageBoxIcon::Error);
    }
}

private: System::Void HTMLOpen_Click(System::Object^  sender, System::EventArgs^  e) {
        OpenFileDialog^ open = gcnew OpenFileDialog();
        open->Filter = "Html files (*.html)|*.html|All files (*.*)|*.*";
        if (open->ShowDialog() == Windows::Forms::DialogResult::OK)
        {
            webBrowser1->Navigate(open->FileName);
        }
    }