VS 2008 - Using Nested IF Statements In A SQL Query?

Jan 13, 2011

I have a question about using nested IF statements in a SQL query. I have a select statement that calculates a semester grade -- Dim sqlStr As String = "SELECT 'XXX-XX-' + right(socSecNumber,4) As [Student SSN], Round((firstExam + secondExam +(2*finalExam))/4, 0) AS [Semester Average] FROM Grades that I am displaying the results in a datagridview. I can successfully display the masked social security number and the Semester Average but I also need to convert the Semester Average to a letter grade to display in a newly created column for Grade. Can this somehow be done with nested If or Case statements within the SQL statement or is there a way to pass the Semester Average information as a variable to a nested vb If statement? Basically, I am needing to know how to display the letter grade to the datagridview using this criteria:

[code]...

ADVERTISEMENT

VS 2008 - Two Nested For Loops And If Statements

Apr 1, 2009

I want to write two nested loops and inside them "two if statements" when I write an Else statement which has a messagebox saying that ID is not found.. it repeated many times depending on the for loops. I only want to be displayed once !!! but when I wrote my code like this (using exit sub), the message appears when the condition is right and appears when the condition is wrong. I tried to move this statement somewhere else but still I have problems with it.

With EMPDataSet
For I = 0 To .Personal.Rows.Count - 1
For j = 0 To .Work.Rows.Count - 1
If EMP_CPR = .Personal.Rows(I).Item("CPR") Then
txtName.Text = .Personal.Rows(I).Item("Full_Name")
[Code] .....

View 8 Replies View Related

[2008] Error Validation - Series Of Nested If/then/else Statements To Make Sure A User Enters Information

Feb 15, 2009

I'm using a series of nested if/then/else statements to make sure a user enters information into each text box or chooses a radio button. What would i use to say if no text is entered in textbox1, then ... also what would i use to make a sure the user choose one or the other radio button? for example i also have a combo box, i used "If SubjectComboBox.SelectedIndex <> -1" for the if statement.

View 2 Replies View Related

Nested If Statements Jump Over Other Ifs

Feb 24, 2012

I am working in a proprietary language based on basic on a measuring machine. I delibritly set the first two checks to fail for testing purposes. The first set of ifs for size X works great. When the code is run and it gets to Size_Y, if the operator picks "no I don't want to remeasure" (returning a 7) the code jumps all the way to the last end if. I suspect I have improperly nested my Ifthens, but I can't see it.

[Code]...

View 2 Replies View Related

Nested If Statements Jump Over Other Ifs?

Dec 22, 2009

I am working in a proprietary language based on basic on a measuring machine. I delibritly set the first two checks to fail for testing purposes. The first set of ifs for size X works great. When the code is run and it gets to Size_Y, if the operator picks "no I don't want to remeasure" (returning a 7) the code jumps all the way to the last end if. I suspect I have imped this

View 10 Replies View Related

Alternative To Nested Else If Statements With Different Outcomes?

Feb 21, 2012

Is there any better way of handling nested else if statements that have different outcomes?

Here is an example of one of my nested statements to explain:
If My.Computer.Network.Ping(computerName) = True Then
Call InstallVS(computerName)

[code].....

View 2 Replies View Related

Data Structures - Nested With Statements From Different Scopes?

Jul 11, 2011

I have a List Table (lstTable) that is on the same form that I am trying to fill in with information from a public structure (ELEM_DATA). I understand nested with statements will work if it is within the same scope but how can I do this with example 2 below:

Example 1:

With me.lstTable.Items(RECORD)
.SubItems(1).text = ELEM_DATA(RECORD).name
.SubItems(2).text = ELEM_DATA(RECORD).number
end with

[code]....

I didnt know if it is possible or if it would be as simple as changing (.name) to something else.

View 1 Replies View Related

Several IF Statements With Exit Sub Or Nested IF Statement Without Exit Sub?

Dec 9, 2011

Now I have a sub to validate a bunch of textboxes and combo boxes.I previously used many IF statements to validate and pop up different messageboxes and Exit Sub in every IF statement.But I heard that too many Exits will decrease the efficiency and they were not recommended to use. Instead, nested IF is better because it will let the process naturally go to the end.Then I found out that if I use nested IF,it will be hard to read, since messageboxes are all separated from conditions.

View 2 Replies View Related

Nested SQL Query Within A While Loop In ASP.NET

Dec 2, 2011

I intended to do another SQL query inside here and retrieve data from another table by using the "category_id".I know the problems that asp.net required me to close the data reader before proceed to another query. But is there any solution for me to do another query and open another data reader within the opening data reader? [code]

View 2 Replies View Related

Special Nested Query In LINQ?

Nov 30, 2011

I'm writting a graph algorithm and I'm almost there...My algorithm stores several edge objects in a collection of edges, representing a path from initial vertex to final vertex.hus, there should be also several paths between those vertexes (several collections of edge type), stored in another collection (in my class, callded "collswap").Each edge is an object which have two vertexes: initial (v) and final (w), in this way:

dim manhattan as new vertex
dim brooklyn as new vertex
dim statenIsland as new vertex

[code].....

View 1 Replies View Related

Sql - Group By Having And Count As LINQ Query With Multiply Nested Tables?

Feb 28, 2012

I have the following SQL query to return all Customers who have no OrderLines with no Parts assigned - i.e. I only want the customers within which every order line of every order has no parts assigned - (in the actual problem I am dealing with a different domain but have translated to customers/orders to illustrate the problem)

SELECT c.Customer_PK
FROM Customers c
INNER JOIN Orders o[code].....

This works but generates less than optimal SQL - it is doing a subquery for Count on each row of the customers query rather than using Group By and Having. I tried making the LINQ Group By syntax work but it kept putting the filter as a WHERE not a HAVING clause.Edit in response to Answers below: I am accepting JamieSee's answer as it addresses the stated problem, even though it does not produce the GROUP BY HAVING query I originally had.I am a VB developer so I have had a crack translating your code to VB, this is the closest I got to but it does not quite produce the desired output:

Dim qry = From c In context.Customers
Group Join o In context.Orders On c.Customer_PK Equals o.Customer_FK
Into joinedOrders = Group[cod].....

The problem I had is that I have to push "jl" into the Group By "Key" so I can reference it from the Where clause, otherwise the compiler cannot see that variable or any of the other variables appearing before the Group By clause.With the filter as specified I get all customers where at least one order has lines with no parts rather than only customers with no parts in any order.

View 3 Replies View Related

LINQ Query With Multiple OrderBy Statements Added In Loop

May 11, 2012

I have a method in a webservice that has parameter with which users can decide how they want to order their results. This is a List(Of String) with the names of the fields in the order they want to sort them. I know I can normally order on multiple columns by doing the following

Dim test = Bars.OrderBy(Function(x) x.Foo) _
.ThenBy(Function(x) x.Bar) _
.ThenBy(Function(x) x.Test)

However in this case this won't work since I can't chain the ThenBy function because I'm adding the sorting orders in a loop. To use ThenBy I need an IOrderedQueryable collection. This is how I would want it to work

Dim sortColumns = {"Foo", "Bar", "Test"}
Dim query = From b in Bars
For each column in sortColumns
Select Case column
Case "Foo"
query = query.Orderby(Function(x) x.Foo)
[Code] .....

View 1 Replies View Related

LINQ Query To Group Data Between Two List Collections, Populating A Nested Object

Oct 26, 2011

I have these objects:[code]Using LINQ I need to take a List(Of MakeInfo) and a List(Of ModelInfo) and aggregate the StockInfo from ModelInfo into the List(Of MakeInfo).So for each MakeInfo I will have a total count of all stock where MakeInfo.Name = ModelInfo.Make, and also a minimum price.I think it's going to be something like this, but I'm having trouble accessing the nested object and not sure if it's going to be possible with a single query.[code]

View 2 Replies View Related

Program That Will Generate A Pattern Using Do While / If Else Statements / Do Until Statements

Oct 11, 2009

Can someone give me a site to a tutorial that will help me write a program that will generate a pattern using do while, if else statements,and do until statements. I have been using google but I can't find anything. I need to generate patterns a certain size 6 by 6 or similar such as something like a checkerboard but where the ^ symbols is there a suppose to be a blank space..

View 3 Replies View Related

HTMLelements And If Statements Vb 2008?

Feb 27, 2010

Well I hope this is the right section since I can't figure out where to post for vb 2008 express. Anyway I'm trying to get my program to search for a html element and if it finds it, do something. I just started programming vb yesturday and have little programming knowledge. I'm learning as I go and thats how I learn.

Private Sub Connect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Connect.Click
WebBrowser1.Navigate(AdressBox.Text)
Dim Element As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName(tagName:="login")
' If (Element) Then
' End If
End Sub

I keep getting a null reference error no matter what combinations I try. I want it to search for the login name and if there is one then do the login procedure I have setup. I want to do this for a image later but I need to learn this first. I know that this tag name = login and is NOT a id.

View 3 Replies View Related

Multiple Do Until Statements In VB 2008?

Mar 2, 2010

I need to write a do until statement. 2 of them actually. 1st one records all of the income and then one that records all of the expense. Then they need to be add to figure a profit or a loss.

View 12 Replies View Related

VS 2008 - Try - Catch Statements ?

Aug 31, 2009

Explain what these do and how you would use them?

View 11 Replies View Related

VS 2008 How To Import Sql Statements

Nov 6, 2009

I have an export file containing the sql code to create and populate a table of a database. There is a way (using the visual studio 2008 using the data connection on the server explorer) to pass to the created table comething like this: [code]I have seen that this is possible only if i submit just one value like this:INSERT INTO province (id,codice_regione,codice,nome,sigla) VALUES(1, 1, 1, 'Torino', 'TO');But i would like to create all the record of the table running the sql script just one... i have a table of over 50000 record..

View 2 Replies View Related

VS 2008 Using Properties Set And Get Statements?

Jan 15, 2010

I'm very new to programming and have the following question:When using the set statement in properties we have to declare a variable outside the property which holds the data for the get statement. How can i make this variable not visible to other classes. In the example below i don't want other classes to be able to see "m_area, a and b" when an instance of Ellipse is created.

[Code]...

View 8 Replies View Related

VS 2008 Where Put Import Statements

Mar 26, 2009

Incredibly newbish question, I know. Up to now, I've only made simple applications that do not require adding import statements

View 9 Replies View Related

VS 2008 Cleaning Up A Nested For Each-loop?

Dec 3, 2009

I'm comparing a temporary table to an another table, to check for changes in the cells. The way I'm doing it, is that I'm using three loops; one to loop trough the temporary, one to loop trough the other table and a last one to loop trough each column. Here's the

vb.net
For Each row As DataRowView In View
For Each drow As DataRowView In view2

[Code]....

"emitid" is the column I use as a reference to be sure that I'm comparing the correct rows, and the column order will always be the same in both tables.

View 4 Replies View Related

VS 2008 Creating Nested Folders?

Jun 16, 2010

I'm sure I can work out several ways to do this but I wonder if anyone has a neat trick for creating nested folders.For example, if I have a string containing "c:userspauldocsmystuff" I want to create that same folder structure on another drive. I don't want to copy any files, just create the folder structure i.e. "k:userspauldocsmystuff"

View 2 Replies View Related

VS 2008 Efficiency Comparison Of Nested Ifs?

Jul 20, 2010

which is more efficient?(Assume case statements, etc., cannot be used.)

If a Then
If x Then
ax()
ElseIf y Then

[code]....

View 4 Replies View Related

VS 2008 Arrays And Update Statements?

Jul 28, 2011

I am working on arrays but i need to do a sql update statement. Contents of the array are also part a primary key in my table.How do I do an update using the array for example if my array is room names and my other table values are start date, end date and campus ID.

View 5 Replies View Related

VS 2008 Difference Between Cases And If Statements?

Jun 15, 2009

what exactly the difference between using cases and if statements are.

View 4 Replies View Related

VS 2008 Nested Settings In Config File?

Apr 18, 2012

I am writing an application that will be used to extract information from any one of three different database applications, depending on the option selected. I would also like it to be possible to run it against one of several environments (e.g. development, test or live).

I plan to hold the relevant logon details (in encrypted form, of course) in the app.config file, with the appropriate details selected depending on the environment and application. Rather than have each option hard-coded into a Select Case statement, I want to be able to nest the variables in the app.config. I had envisaged a section of the config file looking like this:

[Code]...

View 7 Replies View Related

Loop And Enumerate Properties Of Nested Classes In Nested Classes?

Sep 24, 2010

so far i got

code
For Each item As Reflection.FieldInfo In GetType(NameSpace.ClassWithNestedClasses).GetFields
rtfAppend(item.Name & ":" & Tab & item.GetValue(Me))
Next
For Each item As Reflection.PropertyInfo In GetType(NameSpace.ClassWithNestedClasses).GetProperties()

[code]...

which gets me the simple string vars and properties of my top class, but how can i apply this to loop through all sub classes and get there vars and props?

View 1 Replies View Related

Insert Statements Fail When Run Against SQL Server 2008?

Jan 28, 2012

I have to deploy my VB.NET application developed in VB.NET and Visual Studio 2005. The customer is using SQL Server 2008, while the application is being built against SQL Server 2000.I received the following error against SQL Server 2008:An explicit value for identity column in 'Outgoing_Invoice' table can only be specified when column list is used and Identity Insert is ON.Here is my query for inserting data in two tables:

Dim cmd1 As New SqlCommand("Insert into Stock values(@invoice_no, @gate_pass, @exp_no, @clm_no, @category, @item_name, @weight, @units_case, 0, 0, @crtns_removed, @pieces_removed, 0, 0, @date_added, @date_removed, @inc_total_price, @out_total_price,[code]....

The error message is shows at cmd1.executenonquery. Both these tables Stock and Outgoing_Invoice have an identity column labelled serial before @invoice.The problem only arose when insert was tried on SQL Server 2008. When run against SQL Server 2000, it works as expected.What can be the possible reason for this issue and how can it be resolved?

View 3 Replies View Related

VS 2008 Have Multiple IF Statements In A Single Button

Mar 10, 2011

I am just starting to learn the visual basic language so i am trying to make a simple application where a user can put in it's first and last name or else the application exists.

I manage to do this fine untill i get to the point of ending one if statement and starting another in the same button..

(in the form i have button1, button2, label1, label2. Button2 is only a "quit" button)

Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[Code]....

What happens when i run this is that i can put in the first name but then when i click yes the application closes.

View 14 Replies View Related

VS 2008 Multiple OleDbDataAdapter Update Statements

Apr 13, 2012

I need to update more than one DataAdapters, so I used the

Dim sqlcmdbldUser As New OleDbCommandBuilder(dtaadpUser)
Dim sqlcmdbldPoints As New OleDbCommandBuilder(dtaadpPoints)

But only one of them works, the second one brings up errors if I try to update the DataAdapter. Is there a way of using and updating multiple data adapters?

View 10 Replies View Related

VS 2008 Using Parametrized Queries With Multiple SQL Statements

Jun 25, 2009

There is not a VB.net database forum, and there is a HUGE difference (unfortunately) between ADO and ADO.net. I have a connection to a MS SQL database, which I understand is capable of handling multiple SQL statements in one Execution, ie

Using cmdExe As New System.Data.SqlClient.SqlCommand
sSQL = "Delete * from mytable where UniqueID=123;Insert into mytable (UniqueID, Field) values (123, 'something')"
.CommandText = strSingleSQLLine

[Code]....

There are two questions here actually...can I add the parameters before setting the command text, and do I have to add the same parameter over and over again?

View 3 Replies View Related

VS 2008 Nested Arrays - Tore All Combination's Of The Numbers 1,2,3,4?

Apr 14, 2010

I'm working on a program and in it I need to store all combination's of the numbers 1,2,3,4. I would like each combination to be it's own array, and instead of creating 24 different arrays (there are 24 different combinations 1,2,3 and 4 can be arranged) I was wondering if it's possible to create a nested array like so:

[ [1,2,3,4], [1,2,4,3], [1,3,4,2], [1,3,2,4] .......]

That way, I'd be able to reference index 2 of the above array and have the array [1,3,4,2] returned.I looked into multidimensional arrays, but this would require me calling each index of the row and column.I also looked into making a Structure in which there was an array that could hold 4 numbers, but wasn't sure if going that method would be practical or not.

View 4 Replies View Related

VS 2008 Nested For Loops - Going Through ArrayList And Finding Duplicates?

May 16, 2010

I have an arraylist of a "Doctor" class containing Firstname, Lastname,etc. Some elements in this arraylist may be duplicates of others. I am trying to iterate through the arraylist and search for duplicates. Once i find a duplicate i want BOTH duplicates put into another array and removed from the original array.

here is my function

Public Function createArrayOfDuplicatesAndRemove(ByVal st As ArrayList)
Dim duplicates As New ArrayList()
Dim i, j As Integer

[code]....

How could something be out of range if i start at the end and work to the front?

View 5 Replies View Related

VS 2008 Nested Loop Duplicating ListView Items?

Jul 29, 2010

I'm gathering a list of files within a directory and then adding them to a ListView:

VB.NET

For Each f In Directory.GetFiles()
Dim lvi As New ListViewItem
lvi.Text = f.Name

[code]....

The exclusion list works great, but it duplicates each item in the ListView several times. How many depends on how many items that it excludes.

I understand why it's happening, but I can't figure out a way around it. I have to loop through the items in the ArrayList so that I can compare them to the other items.

View 5 Replies View Related

VS 2008 Radio Buttons And Select Case Statements

May 26, 2010

how to associate a select case statement with, which point to four Function procedures, to four radio buttons that are used to +, -, *, and / two simple fractions in a fractions calculator. This is a class assignment for which I have already been graded. I used an If...ElseIf statment and it worked perfectly. Now I am trying to utilize the Case Statments with Function Procedures to do the same thing. I do not get graded for this, but I was told to research it an find an answer. My current code is listed below.

[Code]...

View 8 Replies View Related

[2008] Dynamic LINQ Queries And Select Statements?

Jun 5, 2008

I've recently ported my website from 2005 to 2008, and I'm using LINQ Queries to implement a search. The issue is that none of the fields are mandatory, so I've had to implement a dynamic LINQ Query (sic?). Here's the relevant code -

Public Function searchQuery(ByVal titleType As String, ByVal titleName As String, _
ByVal configMgr As String, ByVal lifecycle As String, _
ByVal CIType As String, ByVal recordsPerPage As String) As IEnumerable(Of

[code].....

View 2 Replies View Related

VS 2008 Add Button Control In DataGridView Based On The Case Statements

Oct 21, 2010

I am working on Datagridview. My task is adding buttons in the Datagridview table based on the case statements. Like In the Present table i have one column called "CategoryDescription". In this column, values are like 3101,3102, 3103........Here 31 is the common. and like 3201,3202,3203......Here 32 is the common. Like there are so many common values are there. So where ever the common values will come there i have to add one button in the Same column.

So Finally my conclsion is at Satrting 3101 and starting 3201,3301,3401.. i have to add one button control 3101 and add button control on 3201 and add button control on 3301.

View 3 Replies View Related

If Statements Inside If Statements?

Mar 14, 2012

I am trying to figure out how to do this:

if (phrase = hello) then
"say hello"
if (phrase = how are you?) then

[CODE]...

So basically, I want it to work like a timeline. If I say hello, then it will respond and move onto the next if statement. Get it?

Here is the code I have now:

If phrase.Result.Text = "hello" Then

synth.Speak("Hello to you too")

If phrase.Result.Text.Contains("How are you") Then

[CODE]...

View 21 Replies View Related

VS 2008 Linq Possible To Use Query In Another Query?

Apr 16, 2011

I was wandering is it possible to use a query within another query below is the code I am trying to use.

Public Function GetInventByComp(ByVal CompID As String) Using DC As New DataClassDataContext
'need to get company id's based off names? thats bad should be name from Id need to rethink this
Dim invent = (From C In DC.Inventors_Companies _
Where C.CompID = CompID _
Select C.InventorID).ToString

[Code]...

I was trying to us multiple values in a string like "1, 3, 5" but I can't seem to get that working either so I am trying to use just a single value now. Can anyone help me? "Yes I am new to this"

View 5 Replies View Related

VS 2008 "IF" Statements Not Working Properly?

Jan 17, 2010

Im creating a "Deal or no Deal" game , heres a pic of it so i can explain this abit better.

All images on the form are pictureboxes. The boxes in the middle are all named box_1, box_2, box_3 etc.

What my code is currently doing is , when i click a box it randomally selects an image from an imagelist. All images in the image list have all the amounts that are displayed on the main form. So if for example "€100,000" is revealed when i click box 1 i want the picturebox on the form labeled "€100,000" to hide.

This is the part that im having problems with. The first time i select a box the image will display and the matching figure will hide. And from then on it will display the images when i click the boxes but wont necessarily hide the correct image (matching the one thats in the picture box)

Really hope someone can spot a flaw somewhere , because its driving me nuts now. Here are box_1 and box_2 codes. And also the project is attached if you would rather have a look to see for yourself whats happening.

Private Sub box_1_MouseClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles box_1.MouseClick
MsgBox("Are you sure you want to choose this box ?", MsgBoxStyle.Information)

[Code].....

View 14 Replies View Related

Sql - When Run The Query In Query Analyzer, It Returns One Row But When Use The Same Query, No Rows Are Returned?

Aug 19, 2010

Here is the code:

Function getData(ByVal id As String)
Dim reader As SqlClient.SqlDataReader
Dim statement As String

[code].....

View 1 Replies View Related

When Creating A Query Error "The Schema Returned By The New Query Differs From The Base Query"

Feb 29, 2012

When Creating a query using the sear Criteria Builder . I keep getting the error : "The schema returned by the new query differs from the base query" what does that mean and how do i avoid this problem in future

View 2 Replies View Related

For And Next Statements?

Oct 18, 2011

I have to Create a Bowling Scores application that allows the user to enter 5 scores and then displays the high score and the low score and then clicking on the Statistics button there would be a label showing which is higher and lower. We HAVE TO USE FOR AND NEXT STATEMENTS.

View 7 Replies View Related

If Statements With > 0 < 44?

Nov 5, 2011

How can i implement a statement with if for this number to be greater than 0 but less than 10? More Specifically where would the < 10 go?

Quote:
Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click

[code].....

View 12 Replies View Related

Using 2 For Every Statements?

Dec 20, 2009

is there any way to use 2 for every.... statements?

i want to load up my.settings and 1 list will make new toolstripdropdownitem and the other lists is for the tooltiptexts

or I could do it another way, but how can I check the index of items in a my.setting string collection? like if I want to get the text of index number 3 how do I do that?

View 4 Replies View Related

ADVERTISEMENT