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[HTML helpers] Do not set Selected in user's SelectListItem instances
#524
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dougbu
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Feb 11, 2015
- #524 - add tests of `DropDownList` and `ListBox` HTML helpers - extend tests of `<select/>` tag helper - add scenario to a functional test New `HtmlHelperSelectTest` does not cover everything. In future (see #453): - use non-`null` `optionLabel` and `htmlAttributes` arguments - confirm value sources and their priorities - mock an `IHtmlGenerator` and confirm how it is called - mock an `IHtmlHelper` and confirm how extension methods call that
dougbu
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Feb 12, 2015
- #524 - add tests of `DropDownList` and `ListBox` HTML helpers - extend tests of `<select/>` tag helper - add scenario to a functional test New `HtmlHelperSelectTest` does not cover everything. In future (see #453): - use non-`null` `optionLabel` and `htmlAttributes` arguments - confirm value sources and their priorities - mock an `IHtmlGenerator` and confirm how it is called - mock an `IHtmlHelper` and confirm how extension methods call that
dougbu
added a commit
that referenced
this issue
Feb 12, 2015
- #524 - add tests of `DropDownList` and `ListBox` HTML helpers - extend tests of `<select/>` tag helper - add scenario to a functional test New `HtmlHelperSelectTest` does not cover everything. In future (see #453): - use non-`null` `optionLabel` and `htmlAttributes` arguments - confirm value sources and their priorities - mock an `IHtmlGenerator` and confirm how it is called - mock an `IHtmlHelper` and confirm how extension methods call that
dougbu
added a commit
that referenced
this issue
Feb 13, 2015
- #524 - add tests of `DropDownList` and `ListBox` HTML helpers - extend tests of `<select/>` tag helper - add scenario to a functional test New `HtmlHelperSelectTest` does not cover everything. In future (see #453): - use non-`null` `optionLabel` and `htmlAttributes` arguments - confirm value sources and their priorities - mock an `IHtmlGenerator` and confirm how it is called - mock an `IHtmlHelper` and confirm how extension methods call that
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Fixed w/ commit 3ced601 |
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DropDownList(),DropDownListFor(),ListBox(), andListBoxFor()all update theSelectedproperty of the entries in theIEnumerable<SelectListItem>passed or found inViewData. These updates handle round-tripping updated values submitted in a form. However use of the passedSelectListIteminstances pollutes the user's objects and makes it difficult to share select lists between different properties in the model.Fortunately not sharing select lists is a viable workaround. Also conflicts are only visible if one call updates the select list and another one just reads the enumerable (because the value is
null).See legacy CodePlex bug #1913 for more information.
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