Part 86 ValidationSummary in asp net mvc

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In this video, we will discuss displaying all validation errors at one place using validation summary html helper. A red asterisk (start) should be displayed next to every field that has failed the validation. The output should be as shown below.
We will be working with the example that we discussed in Part 85. Please watch Part 85, before proceeding.
First of all, the validation error messages should be displayed in red color. On the "Edit" view, include a reference to Site.css style sheet.
[link href="~/Content/Site.css" rel="stylesheet" type="text/css" /]
In site.css there are 3 css classes that control the display of validation error messages. Adjust the styles of these classes according to your needs.
field-validation-error
input.input-validation-error
validation-summary-errors
To display all errors at one place, use ValidationSummary() HTML helper.
@Html.ValidationSummary(false, "Please fix the following errors and then submit the form")
To display an asterisk, next to the field that has failed validation, modfiy ValidationMessageFor() html helper as shown below.
@Html.ValidationMessageFor(model =] model.Name, "*")
At this point, next to the field that has failed the validation message, a star symbol will be displayed instead of the detailed error message. All the detailed error messages will be displayed using validation summary.
Please make sure to replace [ with LESSTHAN and ] with GREATERTHAN symbol.

[@Csharp-video-tutorialsBlogspot]

Hi Mohan, you can use either of them. I personally like using data access using business objects, as we have complete control over code including the SQL.

[@Csharp-video-tutorialsBlogspot]

There are few more concepts to be covered. Currently finishing up with collections in C#. Will resume MVC in a few days and cover the rest of the concepts. In the description of this video, I have included the link for ASP .NET, C#, and SQL Server playlists. All the videos are arranged in logical sequence in these playlists, which could be useful to you. Please share the link with your friends who you think would also benefit from them.

[@asterixgaul4725]

Hi Venkat, In this video validation message "*" is applied on the view which is auto generated. How to apply the message if the controls are applied using @Html.EditorForModel() code block. Thanks

[@rshekdar]

are we able to show the contents entered by the user when we show the validation Message at the bottom when we show @Html.ValidationSummary(false, "Please correct the following errors before saving" ) here I want to show the contents that the user incorrectly entered.

[@aplikasikependudukanbipabi6308]

i try with visual studio 2019, but i can't do that, because error 99 item, do you have advice for me, please?

[@nomanabbas7202]

Dear sir i would you like to tell me how can we use bootstrap with HTML helper functions ?

[@arianitonline8748]

he explained a bit in an earlier video of this series, can't remember which

[@amitjoshi5209]

Sir, if we have custom validation and regular validation then validation summary show first regular validation and not custom validation. Once regular validation gone then it shows custom validation in summary. Also, is custom validation always server side ?

[@C-N-fans01]

Excellent Dear Sir

[@vinod20083]

Master pages nothing but layout only?

[@mohansandeep5635]

Excellent work by you sir....i have been following all your videos including asp.net mvc and others too....i had one query ......We are doing a supply chain project and planning to implement in asp.net mvc, should i use entity framework approach or using data acess using business objects.....please advice me...

[@shohailaamil1238]

How can i send a confirmation email

[@hungvo-vl7kt]

how to use the image like (X) instead of "*"?

[@ajyjose]

Hello Sir, Is this the last video for MVC Part 86 ValidationSummary in asp net mvc

[@bong1318]

Your videos are awesome, I got nowords to say,,Can you please upload some information about unit testing?

[@ajyjose]

Thank You Sir.

[@saagarsoni3]

good mrng sir...

[@hendesebilisim]

Thank you Sir