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[ASP.NET] "System.Web.Mvc.HtmlHelper" does not contain the definition of "TextBox"

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Posted on 3/8/2018 5:13:30 PM | | | |
Compiler error message: CS1061: 'HtmlHelper<object>' does not contain a definition for 'TextBox' and no extension method 'TextBox' accepting a first argument of type 'HtmlHelper<object>' ' could be found (are you missing a using directive or an assembly reference?)



Error 13 "System.Web.Mvc.HtmlHelper" does not contain the definition of "TextBox" and cannot find the extension method "TextBox" for the first parameter of the acceptable type "System.Web.Mvc.HtmlHelper" (is the using directive or assembly reference missing?)

Solution

Modify the Web.config,Add the namespace <add namespace="System.Web.Mvc.Html"/> as follows








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