Update Mongodb

Src/Asp.NetCore2/MongoDb.Ado.data/EmptyDbParameterCollection.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Text;
+
+namespace MongoDb.Ado.data
+{ 
+  // 将类的访问修饰符从 private 更改为 internal，以解决 CS1527 错误  
+    internal class EmptyDbParameterCollection : DbParameterCollection
+    {
+        public override int Add(object value) => 0;
+        public override void AddRange(Array values) { }
+        public override void Clear() { }
+        public override bool Contains(string value) => false;
+        public override bool Contains(object value) => false;
+        public override void CopyTo(Array array, int index) { }
+        public override int Count => 0;
+        public override System.Collections.IEnumerator GetEnumerator() => Array.Empty<object>().GetEnumerator();
+        public override int IndexOf(string parameterName) => -1;
+        public override int IndexOf(object value) => -1;
+        public override void Insert(int index, object value) { }
+        public override bool IsFixedSize => true;
+        public override bool IsReadOnly => true;
+        public override bool IsSynchronized => false;
+        public override void Remove(object value) { }
+        public override void RemoveAt(string parameterName) { }
+        public override void RemoveAt(int index) { }
+
+        protected override DbParameter GetParameter(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        protected override DbParameter GetParameter(string parameterName)
+        {
+            return null;
+        }
+
+        protected override void SetParameter(int index, DbParameter value)
+        {
+        }
+
+        protected override void SetParameter(string parameterName, DbParameter value)
+        {
+        }
+
+        public override object SyncRoot => new object();
+    }
+}

Src/Asp.NetCore2/MongoDb.Ado.data/MongoDbCommand.cs

@@ -45,7 +45,8 @@ namespace MongoDb.Ado.data
             set => _connection = (MongoDbConnection)value;
         }
 
-        protected override DbParameterCollection DbParameterCollection => throw new NotSupportedException("暂不支持参数。");
+        protected override DbParameterCollection DbParameterCollection   
+            { get { return new EmptyDbParameterCollection(); } } 
 
         protected override DbTransaction DbTransaction { get; set; }