linq-to-sql

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The required column 'int_CommodityPriceId' does not exist in the results. linq to sql

public IEnumerable<CommodityPrice> GetAllTimeFrameDaily() { return _dbprice.ExecuteQuery<CommodityPrice>(\"SELECT MIN(CommodityPrice.dtm_Date),MAX(CommodityPrice.dtm_Date) FROM CommodityPr[详细]

2023-04-05 20:56 分类：问答
Using Max in LINQ to SQL

Trouble with using Max in where clause of LINQ to SQL. Data below: QID,Question,TypeID,Disable, VersionID, Sequence[详细]

2023-04-05 19:16 分类：问答
What's the best way to reuse database access across multiple projects to ensure that when updated it does not break any projects?

I have probably written the same LINQ to SQL statement 4-5 times across multiple projects. I don\'t even want to have to paste it. We use DBML files combined with Repository classes. I would like to s[详细]

2023-04-05 16:49 分类：问答
Best way to write Dynamic Query with dynamic result with Linq or Expression Tree

I\'m looking for best way to write a query with LINQ or an expression tree to return a dynamic result according to dynamic input. For example, consider this pseudocode:[详细]

2023-04-05 09:50 分类：问答
Linq when returning count what to select?

I\'ve gotten in the silly habit of doing this: return (from c in db.tblUserAlerts where c.userID == UserID && !c.hasRead[详细]

2023-04-05 08:15 分类：问答
LINQ adding mystery "+1" to my int's in generated SQL

I have to admit, I am just plan stumped....I have the below LINQ to SQL Method --> public static int GetLastInvoiceNumber(int empNumber)[详细]

2023-04-05 06:37 分类：问答
Linq: Delete and Insert same Primary Key values within TransactionScope

I want to replace existing records in the DB with new records in one transaction.Using TransactionScope, I have[详细]

2023-04-05 06:17 分类：问答
How can i write a inner join query using linq

I have write a inner join query. In SQL Server it is working fine, but I want to write this query usin开发者_如何学Pythong Linq-to-SQL. Can anybody help me please?[详细]

2023-04-05 04:53 分类：问答
Linq group by month

I have a table with a date field and time field.I want to retrieve a result set grouped by the month and the number of records that appear within that month. How can this be done in LINQ?[详细]

2023-04-05 02:07 分类：问答
What is the correct syntax for returning IQueryable to a data-bound control

I\'m doing some refactoring to eliminate SqlDataSource controls. Below is code from my business logic class that is intended to return a list of images for a given ID.[详细]

2023-04-05 00:31 分类：问答