+**********view pdf **********
html..............
 <div class="clr-col-lg-6">
     <label>Upload Photo:</label>
     <input type="file" name="photo" ngModel (change)="onFileChanged3($event)">
 </div>
ts................
save(data) {
    const temp = data.value;
      const uploadData = new FormData();
      for (let key in temp) {
        let value = temp[key];
        uploadData.append(key, value);
      } 
      if (this.selectedFile !== undefined) {
        uploadData.append('attachment1', this.selectedFile, this.selectedFile.name);
      }
    this.service.post('qa/all.php?type=saveReceivComplaintform', uploadData).subscribe(response => {
      if (response['status'] == 'success') {
        alert('Saved Successfully');
        // this.router.navigate(['/checklist']);
      } else {
        console.log(response);
        alert('Failed: An error occured, please try again!');
      }
    });
  }
********* Error Detector line *************
error_reporting(E_ALL);
ini_set('display_errors', 1);
*****************************
****************chart code for anguler (php)2-12-23 ************
<?php
// Replace these values with your actual database credentials
$hostname = 'your_host';
$username = 'your_username';
$password = 'your_password';
$database = 'your_database';

// Create a connection to the database
$conn = new mysqli($hostname, $username, $password, $database);

// Check the connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

// Perform a query to fetch data from table1 and table2
$query = "
    SELECT label1 AS label, value1 AS value FROM table1
    UNION
    SELECT label2 AS label, value2 AS value FROM table2
";

$result = $conn->query($query);

// Prepare an array to store the data
$data = array();

// Convert the result set to an associative array
while ($row = $result->fetch_assoc()) {
    $data['labels'][] = $row['label'];
    $data['totalMonthlyPurchaseData'][] = $row['value'];
}

// Close the database connection
$conn->close();

// Convert the data to JSON format and output
header('Content-Type: application/json');
echo json_encode($data);
?>

*********************************
// ...
// Inside your `onCreate` method

addButton.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        // Create a new "Select PDF" button
        Button pdfButton = new Button(CustomerMaster.this);
        pdfButton.setLayoutParams(new ViewGroup.LayoutParams(
                ViewGroup.LayoutParams.WRAP_CONTENT,
                ViewGroup.LayoutParams.WRAP_CONTENT
        ));
        pdfButton.setText("Select PDF");

        // Create a new EditText for PDF name
        final EditText pdfNameEditText = new EditText(CustomerMaster.this);
        pdfNameEditText.setLayoutParams(new LinearLayout.LayoutParams(
                0, // Set width to 0 to make it take remaining space
                ViewGroup.LayoutParams.WRAP_CONTENT,
                1 // Set layout_weight to 1 for the EditText to take the remaining space
        ));
        pdfNameEditText.setHint("PDF Name");

        // Create a new LinearLayout for the PDF pair
        LinearLayout pdfPairLayout = new LinearLayout(CustomerMaster.this);
        pdfPairLayout.setLayoutParams(new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.WRAP_CONTENT
        ));
        pdfPairLayout.setOrientation(LinearLayout.HORIZONTAL);

        // Add the "Select PDF" button and PDF name EditText to the PDF pair layout
        pdfPairLayout.addView(pdfButton);
        pdfPairLayout.addView(pdfNameEditText);

        // Add the PDF pair layout to the container layout
        containerLayout.addView(pdfPairLayout);

        // Set a click listener for the "Select PDF" button
        pdfButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                // Create an intent to pick a PDF file
                Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
                intent.setType("application/pdf");
                intent.addCategory(Intent.CATEGORY_OPENABLE);

                // Start the activity to pick a PDF
                startActivityForResult(Intent.createChooser(intent, "Select a PDF"), PICK_PDF_REQUEST);
            }
        });
    }
});

// ...

// Modify the onActivityResult method to handle the selected PDF file
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (requestCode == PICK_PDF_REQUEST && resultCode == Activity.RESULT_OK && data != null) {
        pdfUri = data.getData();

        // Get the PDF file name
        String pdfName = getFileNameFromUri(pdfUri);

        // Display the PDF name in the corresponding EditText
        pdfNameEditText.setText(pdfName);
    } else if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == Activity.RESULT_OK && data != null) {
        // Handle photo capture
        // ...
    }
}

// Helper method to extract the file name from a URI
private String getFileNameFromUri(Uri uri) {
    String result = null;
    if (uri.getScheme().equals("content")) {
        try (Cursor cursor = getContentResolver().query(uri, null, null, null, null)) {
            if (cursor != null && cursor.moveToFirst()) {
                int index = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
                if (index != -1) {
                    result = cursor.getString(index);
                }
            }
        }
    }
    if (result == null) {
        result = uri.getLastPathSegment();
    }
    return result;
}
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