Asp.net mvc5 check if id is set C#

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I am working in asp.net mvc5 view , how to know if id is written in the textbox , here ,How to know if Id is written here and save that value for another use ??? How to know if id is already set in the textbox ?I TRIED THIS BUT ITS NOT WORKING
@if (Html.EditorFor(model => model.Id) !=null)

    { SHOW id}

What I have tried:

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Posted 10-Jan-18 0:39am

ddgjgj

Updated 10-Jan-18 1:20am

v3

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ddgjgj 10-Jan-18 6:39am

?

Karthik_Mahalingam 10-Jan-18 7:06am

check the current value with the new value, if it is not same then the value has been edited from the textbox.

ddgjgj 10-Jan-18 7:06am

Sir , lets be clear again , i am in the create view so i am about to create a new entity that does not exist and doesnt have already an ID , lets pretend the user is filling all the fields in the view ID TITLE and so on , i want that ON THE FLY to do that , if the user writes something in the ID Editor field ,ID is a string and lets say he wrote HAHAHA as ID , now i want to have that value to have that 'HAHAHA' and show in the view as readonly text ..so inside the create view @if (Html.EditorFor(model => model.Id) !=null){ SHOW what user wrote in ID field}

Karthik_Mahalingam 10-Jan-18 7:12am

during submit?

ddgjgj 10-Jan-18 7:20am

Sir , lets be clear again , i am in the create view so i am about to create a new entity that does not exist and doesnt have already an ID , lets pretend the user is filling all the fields in the view ID TITLE and so on , i want that ON THE FLY to do that , if the user writes something in the ID Editor field ,ID is a string and lets say he wrote HAHAHA as ID , now i want to have that value to have that 'HAHAHA' and show in the view as readonly text ..so inside the create view @if (Html.EditorFor(model => model.Id) !=null){ SHOW what user wrote in ID field} , what i want is to create a link inside the view like this (on the fly ) : @Html.ActionLink("Details1", "Details1", new { id = Model.Id }) and this Id is automatically filled with the text that user writes in the ID FIELD , ID is a string , and let forget a little about validation , constratins and so on , is this possible or not ?thanks a lot

Karthik_Mahalingam 10-Jan-18 7:24am

so you want to update the action link with the id which is entered in the textbox.

ddgjgj 10-Jan-18 7:32am

yes.So the user is in the create view (to create an entity), he starts to fill the fields , he fills the ID field , he wrotes HAHAHA on it , i want now to create a readonly link inside the view that fills by itself like this : (on the fly ) :

<<1a 1href="h1ttp://localhost:49477/Contents/Details1/@Model.Id"> link<1/a>
and this Id is automatically filled with the text that user writes in the ID FIELD ,so if he types HAHAHA in the ID field , the link will be

<1a href="1http://l1ocalhost:49477/Contents/Details1/HAHAHA"> link<1/a>

ID is a string type , lets forget a little about validation , constratins and so on in mvc , i am just asking is this possible or not ?

Karthik_Mahalingam 10-Jan-18 8:00am

if id is string then why using editorfor, you shall use textboxfor and assign an event to update the actionlink

Richard Deeming 10-Jan-18 11:56am

Are you looking for something like this?

@if (!string.IsNullOrEmpty(Model.Id)) 
{ 
    @Html.ActionLink("Details1", "Contents", new { id = Model.Id })
}

Richard Deeming 10-Jan-18 11:58am

And isn't this exactly the same question you asked earlier?
https://www.codeproject.com/Questions/1224679/Readonly-link-in-ASP-NET-mvc-view[^]

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