WebJan 4, 2024 · 3 Answers. Sorted by: 16. If you do not specify a length then EF Code First defaults to nvarchar (max), so if you specify a Name column: public string Name { get; set; } you will get an nvarchar (max) column. If you need to specify a length, say 100 chars then you would specify the column in code: [MaxLength (50)] public string Name { get; … WebNov 25, 2024 · 2. There is a Column () attribute, which you can use to specify exact SQL Server data type. for example: [MaxLength (200)] [Column (TypeName="nvarchar (max)")] public string StudentName { get; set; } Note: MaxLength attribute will be overridden by the Column attribute, but in model binding StudentName would validated by its MaxLength …
c# - Incorrect String Length in Entity Framework - Stack Overflow
WebApr 11, 2024 · db.EnitityName.Add (object); db.SaveChanges (); Normally it works to save records, there is no problem, but when string exceeds more than 40k characters in Description property, it's saved value is truncated to the last characters from 40k to above. E.g we have a 50k characters string, it saves only the first 40k characters and truncates … WebNov 20, 2014 · The problem is that I need to limit the length of input strings to the width of the corresponding VARCHAR column in the database. When I browse the model, I can clearly see in the properties window that the model knows the max length of the string, but I don't know how to access this data in code. If I want to write something like this: five ducks mamadu
c# - Entity Framework string length validation - Stack Overflow
WebApr 9, 2013 · [StringLength(250)] public string Comment { get; set; } to set the maximum length to 250 in the database which is great. However it's set as nvarchar(250) when the … WebJan 12, 2024 · Building the model and looking at the Post entity type shows that this has worked - the discriminator property is now configured to with a maximum length of 24:. Discriminator (no field, string) Shadow Required AfterSave:Throw MaxLength(24) But what happens if we now explicitly configure a different discriminator property? WebMar 24, 2011 · Default length of string field in code first is 128. If you are using EF validation it will throw exception. You can extend the size by using: [StringLength(Int32.MaxValue)] public string Body { get; set; } This post became somehow popular so I'm adding second approach which also works: [MaxLength] public string … can invader 盗難