DateTime - Previous Day Issue for specific regions
My SPA application is based out of Knockout as front end and ASP.Net Web API with EF as backend. Seems everything works fine until if someone changes submits date from India region. Though front end is...
View ArticleSave file details in my SQL database
I need to save details of a file from shared folder in my SQL DB. I have created a Model as: public partial class RsbfileDetail { public string FileUrl { get; set; } public string Filename { get; set;...
View Articlenot able to retrieve values from SQL DB
I am trying to get values from my DB but I am unable to do so. I have created A model, context, A table is in SQL server and then started coding. My context is: public partial class rsbsrdbContext :...
View ArticleHow to get perfect Result within same table and result without duplicate...
Dear all expert,I am a new LINQ trainer and trying to join 1 table in a query with Linq to get data from all combine 3 tables but unlucky getting a unique result on MVC web . I getting mistake in...
View ArticleIs it possible to define that property should be ignored when insert/read?...
I have a principal entity: public class Predmeti { public long PredmetId { get; set; } //... public int EntityTypeId { get { return (int)EntityTypesEnum.pravno_Predmeti; } set { } } public virtual...
View Articlehow to convert raw sql subquery to linq query
i have this query and i am unable to convert it to an equivalent linq queryselect distinct u.Name,p.PName,u.AccCreateDate,up.BuyDate,u.ID from Users u inner join UserPackages up on up.U_ID=u.ID inner...
View ArticleNeed my EF core to see already existing primary key in my SQL server table...
I have a SQL server DB table namely "RSBFileDetails", which has a primary key column "[File_Reference_Id]" auto generated int type. When I run my code to enter values in my DB using EF, I get an error:...
View ArticleSQL error when trying to save a record.
I have to check and save details of file(s) from a folder into a SQL server database. I am trying to do it but have some runtime error. Below is the code:public async void PostValuesIntoDB() {...
View ArticleEF does not recognize my SQL server table's Primary key.
I have a Model which has code: public partial class RsbfileDetail { public string FileUrl { get; set; } public string Filename { get; set; } public string CaseId { get; set; } public string FileType {...
View ArticlePassing parameters to query
HI. I am trying to use offset in sql query, which is to be called from a C# console application.Query which I want to make the offset value as parameterized : SELECT COL_A, COL_B from tablename ORDER...
View Articleissue with EF
I am facing below issue while working EF 6 , its creating duplicate table for many to many relationship ,any urgent help is highly appreciatedOne or more validation errors were detected during model...
View ArticleEF 6 and many to many relationship
i m working on EF 6 (mapping with many to many relationship) ,seehttps://www.codeproject.com/Articles/234606/Creating-a-Many-To-Many-Mapping-Using-Code-Firstwhere it created "PersonCourses" as middle...
View ArticleSQL Dapper UNION extension method.
Hi All,I have using Dapper for fetching data from SQL server, recently I have a new requirement to build UNION query to get the result.I have seen the Dapper package there is no UNION extension method...
View ArticleEF for cross reference tables?
I'm new to EF and Linq and wondering what's the best and simplest way to query 3 relational tables with one being a many-to-many. Say I have the following Tables:Roles (Role_CID, Role) 2. Users...
View ArticleEF core and Visual studio 2019 error
I am facing below errorSecurity Warning: The negotiated TLS 1.0 is an insecure protocol and is supported for backward compatibility only. The recommended protocol version is TLS 1.2 and later.
View ArticleDynamically change table schema in entity framework not working
Dear Support Team,I am running one asp.net project where i used entityframework 6 Database first approach.I am using this context to just fetch the records from table.Now i have some requirement here:I...
View ArticleRazor View MVC - Cannot applying indexing with [] to an expression of type...
Dear all,I have the following class which needs to display questions to the user based on test id. Next, i am stuck for LOOP part that how to assign "i" inside model in view model part and prompt...
View ArticleVS 2019 and EF core Core with ,net standard
i m facing below error ,can any share me how to address this ??Severity Code Description Project File Line Suppression StateError MSB3644 The reference assemblies for...
View ArticleError from while creating code first
<div class="post-message " data-role="message" dir="auto"> <div>i am getting the following error when creating the design model from code first..Can any one please helpProject...
View ArticleJoin two tables and sum a certain colum with linq to sql c#
GreetingsI want to get 0 if sum result is null using Linq toSQL and C#.Can anyone please help with this query?internal decimal GetItemPurchasedByDate(linqToSqlDataContext db, int itemId, DateTime...
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