C# : 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'RenderPartial' - ASP.Net MVC

C# : 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'RenderPartial' - ASP.Net MVC
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C# : 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'RenderPartial' - ASP.Net MVC
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'RenderPartial' not does contain C# MVC ASP.Net definition a : 'System.Web.Mvc.HtmlHelper' for -