diff --git a/backend/controllers/transaction.js b/backend/controllers/transaction.js
index 6072d2f..22c17b3 100644
--- a/backend/controllers/transaction.js
+++ b/backend/controllers/transaction.js
@@ -7,10 +7,11 @@ exports.createTransaction = async (req, res) => {
   const { userID, productID, date, paymentStatus } = req.body;
 
   try {
+    const formattedDate = new Date(date).toISOString().slice(0, 19).replace("T", " ");
     const [result] = await db.execute(
       `INSERT INTO Transaction (UserID, ProductID, Date, PaymentStatus)
        VALUES (?, ?, ?, ?)`,
-      [userID, productID, date, paymentStatus]
+      [userID, productID, formattedDate, paymentStatus]
     );
 
     res.json({
diff --git a/backend/utils/database.js b/backend/utils/database.js
index 6e75c3a..4459545 100644
--- a/backend/utils/database.js
+++ b/backend/utils/database.js
@@ -4,6 +4,7 @@ const pool = mysql.createPool({
   host: "localhost",
   user: "root",
   database: "Marketplace",
+  password: "12345678"
 });
 
 module.exports = pool.promise();
diff --git a/backend/utils/helper.js b/backend/utils/helper.js
index 406a897..1d39b48 100644
--- a/backend/utils/helper.js
+++ b/backend/utils/helper.js
@@ -18,7 +18,7 @@ async function sendVerificationEmail(email, verificationCode) {
 
 // Clean up expired verification codes (run this periodically)
 function cleanupExpiredCodes() {
-  db_con.query(
+  db.query(
     "DELETE FROM AuthVerification WHERE Date < DATE_SUB(NOW(), INTERVAL 15 MINUTE) AND Authenticated = 0",
     (err, result) => {
       if (err) {
diff --git a/frontend/src/pages/ProductDetail.jsx b/frontend/src/pages/ProductDetail.jsx
index a5f0d73..4bae56e 100644
--- a/frontend/src/pages/ProductDetail.jsx
+++ b/frontend/src/pages/ProductDetail.jsx
@@ -417,7 +417,39 @@ const ProductDetail = () => {
 
             <div className="relative">
               <button
-                onClick={() => setShowContactOptions(!showContactOptions)}
+                onClick={async () => {
+                  try {
+                    // Create a transaction record
+                    const transactionData = {
+                      userID: storedUser.ID, // User ID from session storage
+                      productID: product.ProductID, // Product ID from the product details
+                      date: new Date().toISOString(), // Current date in ISO format
+                      paymentStatus: "Pending", // Default payment status
+                    };
+            
+                    const response = await fetch("http://localhost:3030/api/transaction/createTransaction", {
+                      method: "POST",
+                      headers: {
+                        "Content-Type": "application/json",
+                      },
+                      body: JSON.stringify(transactionData),
+                    });
+            
+                    const result = await response.json();
+            
+                    if (result.success) {
+                      alert("Transaction created successfully!");
+                    } else {
+                      throw new Error(result.message || "Failed to create transaction");
+                    }
+            
+                    // Toggle contact options visibility
+                    setShowContactOptions(!showContactOptions);
+                  } catch (error) {
+                    console.error("Error creating transaction:", error);
+                    alert(`Error: ${error.message}`);
+                  }
+                }}
                 className="w-full bg-green-500 hover:bg-green-600 text-white font-medium py-3 px-4 mb-3"
               >
                 Contact Seller
diff --git a/mysql-code/Schema.sql b/mysql-code/Schema.sql
index cadb8b5..1563b0d 100644
--- a/mysql-code/Schema.sql
+++ b/mysql-code/Schema.sql
@@ -66,11 +66,12 @@ CREATE TABLE Review (
 
 -- Transaction Entity (Many-to-One with User, Many-to-One with Product)
 CREATE TABLE Transaction (
-    TransactionID INT PRIMARY KEY,
+    TransactionID INT NOT NULL AUTO_INCREMENT,
     UserID INT,
     ProductID INT,
     Date DATETIME DEFAULT CURRENT_TIMESTAMP,
     PaymentStatus VARCHAR(50),
+    PRIMARY KEY (TransactionID),
     FOREIGN KEY (UserID) REFERENCES User (UserID),
     FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
 );