Index: System.Data.SQLite/SQLiteCommand.cs
==================================================================
--- System.Data.SQLite/SQLiteCommand.cs
+++ System.Data.SQLite/SQLiteCommand.cs
@@ -504,11 +504,11 @@
     /// </summary>
     /// <returns></returns>
     public new SQLiteParameter CreateParameter()
     {
       CheckDisposed();
-      return new SQLiteParameter();
+      return new SQLiteParameter(this);
     }
 
     /// <summary>
     /// The connection associated with this command
     /// </summary>
@@ -758,14 +758,20 @@
 
                     if (args != null)
                     {
                         foreach (object arg in args)
                         {
-                            if (arg is SQLiteParameter)
-                                command.Parameters.Add((SQLiteParameter)arg);
-                            else
-                                command.Parameters.Add(new SQLiteParameter(DbType.Object, arg));
+                            SQLiteParameter parameter = arg as SQLiteParameter;
+
+                            if (parameter == null)
+                            {
+                                parameter = command.CreateParameter();
+                                parameter.DbType = DbType.Object;
+                                parameter.Value = arg;
+                            }
+
+                            command.Parameters.Add(parameter);
                         }
                     }
 
                     switch (executeType)
                     {

Index: System.Data.SQLite/SQLiteParameter.cs
==================================================================
--- System.Data.SQLite/SQLiteParameter.cs
+++ System.Data.SQLite/SQLiteParameter.cs
@@ -20,10 +20,14 @@
     /// <summary>
     /// This value represents an "unknown" <see cref="DbType" />.
     /// </summary>
     private const DbType UnknownDbType = (DbType)(-1);
 
+    /// <summary>
+    /// The command associated with this parameter.
+    /// </summary>
+    private IDbCommand     _command;
     /// <summary>
     /// The data type of the parameter
     /// </summary>
     internal DbType        _dbType;
     /// <summary>
@@ -47,10 +51,24 @@
     /// </summary>
     private int            _dataSize;
 
     private bool           _nullable;
     private bool           _nullMapping;
+
+    /// <summary>
+    /// Constructor used when creating for use with a specific command.
+    /// </summary>
+    /// <param name="command">
+    /// The command associated with this parameter.
+    /// </param>
+    internal SQLiteParameter(
+        IDbCommand command
+        )
+        : this()
+    {
+        _command = command;
+    }
 
     /// <summary>
     /// Default constructor
     /// </summary>
     public SQLiteParameter() 
@@ -192,11 +210,11 @@
       _dataSize = parameterSize;
       _nullable = true;
     }
 
     private SQLiteParameter(SQLiteParameter source)
-      : this(source.ParameterName, (DbType)source._dbType, 0, source.Direction, source.IsNullable, 0, 0, source.SourceColumn, source.SourceVersion, source.Value)
+      : this(source.ParameterName, source._dbType, 0, source.Direction, source.IsNullable, 0, 0, source.SourceColumn, source.SourceVersion, source.Value)
     {
       _nullMapping = source._nullMapping;
     }
 
     /// <summary>
@@ -277,10 +295,25 @@
     /// <param name="rowVersion">The row version information</param>
     public SQLiteParameter(DbType parameterType, int parameterSize, string sourceColumn, DataRowVersion rowVersion)
       : this(null, parameterType, parameterSize, sourceColumn, rowVersion)
     {
     }
+
+    /// <summary>
+    /// The command associated with this parameter.
+    /// </summary>
+    public IDbCommand Command
+    {
+      get
+      {
+        return _command;
+      }
+      set 
+      {
+        _command = value;
+      }
+    }
 
     /// <summary>
     /// Whether or not the parameter can contain a null value
     /// </summary>
     public override bool IsNullable
@@ -312,11 +345,11 @@
           {
             return SQLiteConvert.TypeToDbType(_objValue.GetType());
           }
           return DbType.String; // Unassigned default value is String
         }
-        return (DbType)_dbType;
+        return _dbType;
       }
       set
       {
         _dbType = value;
       }