VS 2008 How To Change Query To Show 5 Bit Columns
Jan 12, 2010
i populate a datatable from a join query.i have one table called GameSheetTx which has 5 bit columns for days monday to friday.now when I want to create a new GameSheet I cant join to GameSheetTx as there will be no records for the Parent GameSheet. I still want 5 columns in my datatable for day1 to day5.how can i change this query to show 5 bt columns: [code] also how can i set the rowstate to datarow.Added for all rows in the datatable.
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Jan 4, 2012
Is it possible to show vertical columns lines for datagridview, also for empty area, as VFP grid,as in image?
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Oct 15, 2011
I created a RDCL in the designer. I would like the User to Determine what is shown in the Report. How can I change the query at runtime? (ex. changing the customer Name)
This is the query that I have in the properties:
SELECT [Date], Address, Customer, Orders
FROM Report_qry
WHERE (Customer= 'JohnDoe')
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Feb 25, 2011
i have six textboxes from which the user can query the database. Now the user can decide to fill all the fields and query this i have done using AND OR in the sql syntax but the problem is when he decides to leave some blank my program is throwing an exception how can i skip the blank fields and only execute the WHERE clause for the filled boxes.
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Jul 19, 2009
can anyone give me a pointer as to how do i show all the columns in a combo box in visual basic 2008.[code]
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Apr 15, 2010
get 3 columns in a ListView?
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Mar 17, 2011
[Code]....
It is returning all the columns by id. I need only the primary key. When I add the following line it is empty: WHERE SIK.indid = 1 Why is that? Is there other ways to do the same thing and working? Since I am in the rush
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Dec 26, 2011
I'm trying to figure out how to get a query for multiple columns in my dataviewgrid.. So far i havn't even been able to make a single column query work, when i search something in First_Name for example, it returns nothing. ive used query builer, ive written the code myself, nothing seems to work.
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Aug 15, 2011
My application is in VS2008 coded in VB.Net I have a DatagridView.I have a Save Button on my Form.Now my requirement is i want to the Data that is populated in Datagridview when i click on Save button. I want to do it using Update Query.
below is my code.
CODE:
I want to update only the Fourth Column in Datagrid.
CODE:
Im getting an error in the Query as End Of Statement Expected.This is the first time transacting using DatagridView.
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Feb 23, 2012
Is it possible to show all the Columns from a datagridview in a listbox?
When i selected a row , it shows all tht Colloms in the listbox.
i fill the datagridview with code from a Excel file.
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Oct 6, 2009
I only want specific columns to show up in my DataGridView, so I run a dynamic sql query to select specific columns from a table on a sql server(I know its slow, but its only used once a day). However, every column from the table shows up in the datagrid, and I can't figure out what i'm doing wrong.
Public Class Assign_Priorities
Dim connect As New SqlConnection("Data Source=IRNTS4SQL;Initial Catalog=Materials;Integrated Security=True")
Dim ds As New DataSet
Dim da As New SqlDataAdapter("SELECT [Priority], [Tool Type], [Lot Number], [Process], [Priority Notes], [Quantity], [Time Job Entry] from [FPAD Process Log]", connect)
[Code]...
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Nov 4, 2010
The following data is created by joining two sql tables together:I would like to group together distinct rows of DateStamp/UserName/ StudentName/ InstructorName/TableName/PrimaryKey (I'll call this 'group records') and then group under these ColumnName/PreviousValue/NewValue (I'll call this 'subgroup records')The end result would be that I could iterate through the 'group records' - there would be 5. In each 'group record', I could then iterate through the 'subgroup records'. The 5 groups would contain 3, 2, 5, 2 and 1 subgroup records respectively.What would be the syntax to create a query to do this? Ideally this would be in a vb.net linq syntax.
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Sep 10, 2011
I am having 3 tables in my DB Challans, Challan_Details & Customers. They are as follows
Table Challans:
Customer_ID (Related with Customer_ID in Customers Table) Challan_ID (Key) Challan_VchNo (Voucher No.) Challan_Date Invoice_ID
Table Challan_Details
[Code]....
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Feb 24, 2012
Situation Overview I'm using Ext.NET GridPanel to display a list of projects which has tasks (i call it Sprints) inside it assigned to some user and a status. So I get this kind of relation:
SprintOwner -> UserID
SprintStatus -> SprintStatusID
In my GridPanel I display my sprints grouped by projects and I use the relationships to show their names instead of their IDs (SprintStatusName and UserName). It's in portuguese but I find it useful to show:
[Code]...
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Apr 13, 2010
How can i make it so when the user right clicks the listview column a different listview will show up instead of the orignal one
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Aug 15, 2011
I have 10 Comboboxes in a form. All these combo boxes have databound items which come from the same column in a table in the database (access 07) (Am designing a billing software, and these comboboxes show the items (10 lines of them).All these combos reside in one Groupbox.Now for the strange (scary/funny) part, whenever I change a value of 1 combo, all the other combos change automatically and show the same value as the one that was changed. (strange!).
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Jan 13, 2010
I'm working on a simple base form in which all the other forms in the project will inherit. This base form only adds 5 properties (at the moment) dealing with painting a gradient background. The problem I'm facing right now is when I change a property on Form1 (the test form) and click run it doesn't show that change. I also checked the .designer.vb file and when I make a change it's not added to the code behind file, I'm at a loss right now to why.
[Code]...
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Sep 13, 2011
What is the proper syntax for this:
Dim qry As <??> = From f In dirInfo.GetFiles("*.QBW") Select File = f.FullName, Include = True
Dim dt As DataTable = qry.CopyToDataTable()
I tried as "IEnumerable(Of DataRow)" but that didn't work. At runtime it said:
Unable to cast object of type
'WhereSelectArrayIterator2[System.IO.FileInfo,VB$AnonymousType_02[System.String,System.Boolean]]'
to type
'System.Collections.Generic.IEnumerable`1[System.Data.DataRow]'.
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May 17, 2011
I have a table called Foo and I have two columns: Lorem and Ipsum, so the scheme of the table is:
Foo(Lorem, IpsumID)
I also have a table called IpsumTypes, which looks like this:
IpsumTypes(IpsumID, IpsumName)
I would like to write a LINQ query which will have the following result:
Headers: Lorem, IpsumName1, IpsumName2, ..., IpsumNamen
Values: Loremi, count(IpsumName1), ..., count(IpsumNamen)
Each row represents a group of Lorem value and the number of each possible IpsumID in the group. New rows can be added to the IpsumTypes table, rows can be deleted too, so I need dynamically generated columns, because at the time of writing the code I'm not aware of the possible values of Ipsum. How can I achieve this? Is there a magical Linq query which solves this problem, or should I get the values from the database and parse them separately, if speed counts?
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Apr 17, 2011
How to JOIN tables on nullable columns? I have following LINQ-query, RMA.fiCharge can be NULL:
Dim query = From charge In Services.dsERP.ERP_Charge _
Join rma In Services.dsRMA.RMA _
On charge.idCharge Equals rma.fiCharge _
Where rma.IMEI = imei
Select charge.idCharge
I get a "Conversion from type 'DBNull' to type 'Integer' is not valid" in query.ToArray():
Dim filter = _
String.Format(Services.dsERP.ERP_Charge.idChargeColumn.ColumnName & " IN({0})", String.Join(",", query.ToArray))
So I could append a WHERE RMA.fiCharge IS NOT NULL in the query. But how to do that in LINQ or is there another option?
The problem was that the DataSet does not support Nullable-Types but generates an InvalidCastException if you query any NULL-Values on an integer-column. The modified LINQ-query from dahlbyk works with little modification. The DataSet generates a boolean-property for every column with AllowDbNull=True, in this case IsfiChargeNull.
Dim query = From charge In Services.dsERP.ERP_Charge _
Join rma In (From rma In Services.dsRMA.RMA _
Where Not rma.IsfiChargeNull
Select rma)
On charge.idCharge Equals rma.fiCharge _
Where rma.IMEI = imei
Select charge.idCharge
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Nov 18, 2011
stock table
fkodsno
[code].....
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Oct 8, 2009
I'm populating a datatable with some data from a MySQL-server, and then binding the datatable to a datagridview. Here's my code to populate the datatable[code]...
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Jan 26, 2011
I need to get a table on my Form that has different columns from differen tables.As I call many tables by their Identity ID, I also need a way to show the information from that table.I created a query in my TableAdapter which selects information from 2 different tables. Tested it in the query builder and all was OK.I tried to put an empty DataGridView onto my Form and inserted the correct BindingSource for my Data Source.I then added a query and selected the query I created in my TableAdapter.
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Feb 8, 2012
I have a request to show a grid similar to a calendar showing on columns the day and on row months.
Something like this
Month |Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Sun|Mon|Tue|Wed|...|Thu|
January | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10| 11|...................| 31|
Febrary | | | | 1| 2| 3| 4| 5| 6| 7|...........................| 29|
...
December| 30| 31| | | | | 1| 2| 3| 4|............................
Is there a way to do this, considering that The Start day of the year must be the real day name, not a constant and this must be generated dynamically
Private Sub GenerateCalendar(ByVal year As Integer)
Dim colsCount As Integer = 3
If Bisiesto(año) Then
[code]....
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Feb 2, 2011
I'd like to take all suggestion either in C# or VB.NET.I have a DB diagram like the image below. I also include the database script here [URL]In the Students table, CountryId and RoomId column are allowed null. Because some records do not have info about room and country yet.Also, some students do not have essays.I'm doing a joint query with all tables. I want to select all students to project the result like this:Wanted query result.
Here's my current query that gives the result like the image below:
Dim db As New DBDataContext
Dim query = From st In db.Students _
Join c In db.Countries On c.Id Equals st.Id _
Join r In db.Rooms On r.Id Equals st.RoomId _
[code].....
current query result I got only one result back because I have (2) William NoMan record in every table. But I don't get anything about others, like (3) Sync Master who has everything but RoomId.What do I need to modify the query above so it will give me all students like in the wanted query image above?
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Feb 1, 2010
I am using Visual studio 2008 trial edition and SQL server to make a VB.NET app. I have a windows form which i use to add information to a database, by using a dataset. I recently increased the precision of a column using SQL server manager. I went from numeric(8, 4) to numeric(10, 6). I have my datatable's column set to system.decimal with a maxlength of -1. The problem is when i try and add a row using my program, the column now truncates the values as if it was still set to numeric(8, 4). I have checked my controls to make sure they are not truncating. I am currently creating a row and filling it with values and then adding it to the dataset and then updating the dataset. When i look at the locals during run time the row has the correct truncated value before and after i add it to the dataset but the truncated value is getting added to the database. I have tried manual entering data that is to large for the numeric(8, 4) and the database excepts it. It seem like the dataset does not realize the database has changed.
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Sep 7, 2011
I want to change the DataType of all columns of DataTable. I don't want use the loop.. [URL]
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Jun 29, 2010
I have the following code:
Dim i As Integer
For i = 1 To 20
Dim captionTextBox As TextBox = DirectCast(Me.FindControl("news_Image" +
[Code].....
Where the comment is in the code above, I need to insert the value of the textbox (text) into Linq columns. For example: articleToUpdate.news_Image1Caption, news_Image2Caption, but I need to change the number after news_ to the value of i in the for loop.
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May 9, 2009
I have a datagrid, I am filling it with LINQ as well as a custom class to add data to it.Afterwards, I need the data in a specific order - it seems to ignore me.How do I change a columns properties, like index etc??[code]
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Feb 12, 2011
I binded a datagridview with datasource, But its order was changed then I used Columns("ColumnName").DisplayIndex property to arrange the columns of DatagridView. Now I am exporting this DataGridView to Excel, All things are right but problem is about the column positioning, Columns in excel file are shown in wrong order (it shows order before I applied Columns("ColumnName").DisplayIndex property to arrange the columns of DatagridView). My question is that how I permanently change the Column index of DataGridView......?
Public Sub gererateReport(ByVal dg As DataGridView)
Dim oExcel As Excel.Application
Dim oBook As Excel.Workbook
Dim oSheet As Excel.Worksheet
Dim oMissing As Object = System.Reflection.Missing.Value
[Code] .....
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