diff --git a/app/src/main/java/com/example/hpostesting/presentation/adapter/UserListAdapter.kt b/app/src/main/java/com/example/hpostesting/presentation/adapter/UserListAdapter.kt
index 8eab56d..4ec1609 100644
--- a/app/src/main/java/com/example/hpostesting/presentation/adapter/UserListAdapter.kt
+++ b/app/src/main/java/com/example/hpostesting/presentation/adapter/UserListAdapter.kt
@@ -156,41 +156,57 @@ class UserListAdapter(
 
         builder.setPositiveButton("OK") { dialog, which ->
             val bloodGroup = etBloodGroup.text.toString()
-            if (bloodGroup.isEmpty()) {
+            if (bloodGroup.equals("Select Blood Group") || bloodGroup.isNullOrBlank()) {
                 etBloodGroup.error = "Please enter your blood group"
+                Toast.makeText(
+                    context,
+                    "Please enter your blood group",
+                    Toast.LENGTH_SHORT
+                ).show()
             } else {
                 // Check if hemoCubeViewModel and testDetails are not null
                 val testDetails = hemoCubeViewModel.testDetails
-                    val db: FirebaseFirestore = FirebaseFirestore.getInstance()
+                val db: FirebaseFirestore = FirebaseFirestore.getInstance()
 
-                    db.collection("patientData")
-                        .whereEqualTo("_id", testDetails?._id)
-                        .get()
-                        .addOnSuccessListener { userdata ->
-                            if (userdata.documents.isNotEmpty()) {
-                                db.collection("patientData")
-                                    .document(userdata.documents[0].id)
-                                    .update("bloodGroup", bloodGroup)
-                                    .addOnSuccessListener {
-                                        Toast.makeText(
-                                            context,
-                                            "Blood group updated successfully",
-                                            Toast.LENGTH_SHORT
-                                        ).show()
-                                    }
-                            }
-                        }
-                        .addOnFailureListener { e ->
+                db.collection("patientData")
+                    .whereEqualTo("_id", testDetails?._id)
+                    .get()
+                    .addOnSuccessListener { userdata ->
+                        if (userdata.isEmpty) {
+                            // Handle the case when no documents are found (e.g., display a message)
                             Toast.makeText(
                                 context,
-                                "Failed to update blood group: ${e.message}",
+                                "No user data found for the specified ID",
                                 Toast.LENGTH_SHORT
                             ).show()
+                        } else {
+                            val document = userdata.documents[0]
+                            db.collection("patientData")
+                                .document(document.id)
+                                .update("bloodGroup", bloodGroup)
+                                .addOnSuccessListener {
+                                    Toast.makeText(
+                                        context,
+                                        "Blood group updated successfully",
+                                        Toast.LENGTH_SHORT
+                                    ).show()
+                                }
+                                .addOnFailureListener { e ->
+                                    Toast.makeText(
+                                        context,
+                                        "Failed to update blood group: ${e.message}",
+                                        Toast.LENGTH_SHORT
+                                    ).show()
+                                }
                         }
-
-
-
-
+                    }
+                    .addOnFailureListener { e ->
+                        Toast.makeText(
+                            context,
+                            "Error fetching user data: ${e.message}",
+                            Toast.LENGTH_SHORT
+                        ).show()
+                    }
             }
             // Handle the selected blood group here
         }