1

Yes.Domain/Core/Extensions/NameValueCollectionExtensions.cs

@@ -0,0 +1,39 @@
+
+
+namespace Yes.Domain.Core.Extensions
+{
+    public static class NameValueCollectionExtensions
+    {
+        public static int QueryInt(this NameValueCollection collection, string key, int defaultValue = 0)
+        {
+            key = key.ToUpper();
+            var value = collection.QueryString(key);
+            if (string.IsNullOrEmpty(value))
+            {
+                return defaultValue;
+            }
+            if (int.TryParse(value, out int result))
+            {
+                return result;
+            }
+            return defaultValue;
+        }
+
+        public static string QueryString(this NameValueCollection collection, string key)
+        {
+            key = key.ToUpper();
+            if (collection.AllKeys.Contains(key))
+            {
+                try
+                {
+                    return collection[key]?.ToString() ?? "";
+                }
+                catch
+                {
+                    return "";
+                }
+            }
+            return "";
+        }
+    }
+}