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Top LINQ Solutions: 1 - 25 of 60
 
VB 2008 I want to convert a LINQ query to datatable. I'm using this code:             Dim Var051a As IEnumerable             Dim tableVar051 as DataTable             Var051a = From ...
Dear experts, I am having a problem with a fairly simple LINQ statement where the order by clause is not working. I have found out that this is because I am using "distinct" in the statemen...
i need linq query for highest salary and Second highest salary.
I'm trying to return all records that were entered on a specific date from an SQL database. I need to strip out the time element of the datatime datatype field otherwise the date comparison w...
Hi Experts, I am trying to use a group by expression but am not able to obtain what I want. Below is what I am working with. Essentially I want to be able to select a variety of columns ...
Friends, I have a Dictionary, and the Key is simply a ping sequence number, and the values are comprised of Host (string) and ResponseTime (integer) and they are simply inside a class (see ...
I have two tables, SQL and RUN_HISTORY.  The table SQL contains SQL's that can be executed by a user. RUN_HISTORY contains a record for each user that runs an SQL to keep track of when it was ...
Hello, Working abit with Linq, and it really seems cool and i would really like to replace SQL actions with this, and generally use linq for processing data. But im wondering if theres a...
I have built a website in a classical manneer : - Apache 2 - PHP 5 -MySQL 5 - powered by MAMP Pro My app is NOT organized as a framework ! I just want to use Zend_Mail from the framewor...
I have not started using linq and not sure if this could be done any easier using linq.  I have a dataset with a master and detail tables. (created with an sql stored procedure).   In order to...
I have a form that has a parent child relationship between 2 tables.  A grid shows the info of the child table.  If I add a new master record a trigger in SQL creates a record(s) in the child ...
Friends, I need help with Linq, to get multiple values out of a Hashtable for the Top 5 TotalRaceRankFactor_Entrant You can see below how I declared the values in the class, attached to ...
Hi , how to union the return value with constant ? my code comes the error says the union type incompitable. I have to union them on linq becase this is used for a lookup control.
How do I use linq to group a selection of DateTime by Year-Month ? Let say I have 4000 rows with dates formatted like 2009-01-01 23:12:12 I know want them grouped (and printed) like 20...
Friends, I am needing the Linq in VB.NET to get each item from an ArrayList in a sorted order. I know I could use a sorted list, but I don't need any values with it.  I simply just want ...
Hi I have problem adding XElement to XML file.  Every time VB add  xmlns=""  to the end of a row, which means when I bind it to a grid the row is missed. Simple code is below for adding th...
Hello all, I have a class coming back from Entity Framework for example Customers.  What I want to do is only return two of the fields from the entire table coming back Customers from the f...
I need a linq query  to return a DISTINCT List of DateTimes like this                    private  List<DateTime?>  getList()                    {                    code.. return distinct...
Any idea how I can turn this query into a LINQ var query? SELECT parent_row_id, child_row_id, ms.value_return AS stock_value,        mc.value_return AS class_value   FROM map_data p,    ...
Friends, I have the attached code snippet.  It is LINQ qry that I use to get data from a Dictionary. Now, I have a keyword that I pass in, and I want it to return any record with fields ...
I need assistance with being able to add a row to a datacontext and being able to save the value to the database. I have attached sample coded and a couple of snagits of info.
I am trying to move a set of child entities to a different data context and am running into various problems. When the coimpiler hits the foreach, an error spews out (EntitySet was modified...
I have an XML document that contains elements of type "item".  Item contains an element of type "tags", which contains 0..* elements of type "tag", which has an attribute named "id". (see samp...
Hi I'd appreciate some help with following.  I simply want to remove a node if it exists. Code to retrieve node is here. I find that the node is not being removed Thanks in advance
I have employee table. i  want to display second highest salary from the employee table Employee Table -------------------- EmpName      Salary ravi              4000 madhu         90...