Server Error in '/' Application.

Method not found: 'MySql.Data.MySqlClient.MySqlParameter MySql.Data.MySqlClient.MySqlParameterCollection.Add(System.String, System.Object)'.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.MissingMethodException: Method not found: 'MySql.Data.MySqlClient.MySqlParameter MySql.Data.MySqlClient.MySqlParameterCollection.Add(System.String, System.Object)'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[MissingMethodException: Method not found: 'MySql.Data.MySqlClient.MySqlParameter MySql.Data.MySqlClient.MySqlParameterCollection.Add(System.String, System.Object)'.]
   Default2.urunler() +0
   Default2.Page_Load(Object sender, EventArgs e) +16
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1602

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.9316.0