Asp.net - Loop For Each Day In The Current Month And Check Rows For A Match?
Dec 12, 2011
How can I write a loop to run for each day in the current month and then check to see if the Dataset has a record that matches one of those days and take an action?
For Day As Integer = 1 To DaysInTheMonth
For Each row In MyRows
If row.Date.Day = Day Then[code]....
This generates too many rows in the table I have it building. Basically, every day gets as many rows as there are that contain data.I'm building a HTML table that gets mapped into a chart using jquery so I need a for everyday of the month.
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Nov 10, 2008
I'm trying to loop through all rows, and see if any match what is in the textbox. Would this work?
Code:
Dim dr As Data.DataRow
For Each dr In myQuery.GetMembers()
If UsernameTextBox.Text = dr.Item("mail") Then
[code]....
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Sep 5, 2009
I have to add one month to todays date and have to get date after 1 month.
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Dec 30, 2011
Okay I have 2 date time pickers, "dtpStart" and "dtpEnd"
What I want to do is get the current month and year, like right now is December 2011, well I want to set the dtpStart to the first of the previous month, so dtpStart would be set at November 1, 2011 and dtpEnd I want to set it at the last of the previous month, so dtpEnd would be set at November 30th, how could I go about doing this?
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Jun 19, 2012
I am trying to put current date on a month calender to into a column in access database.But I get InvalidCasteException. My code is as follows:
Private Sub SubmitButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles SubmitButton.Click
Dim con As New OleDb.OleDbConnection
[Code].....
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Aug 31, 2011
ALTER PROCEDURE [dbo].[generateTrackNo] AS
DECLARE @tempYear VARCHAR(5),@tempMonth VARCHAR(5)
SET @tempYear = Year(GetDate())
[code].....
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Oct 24, 2011
I have a mvc 3 app that uses EF. In one function I need to get a count of rows that match a statement. I thought I could just do it like this:
Dim _ClassCount As Integer = _CurrRegistrants.Where(Function(c) c.tues_class = _CurrCourse.course_ref).Count
But that stays at 0 even when there are 40 records that match the criteria.. I think I have the right idea I just need to change the syntax a little..
Dim _CurrRegistrants As List(Of reg_classes) = db.reg_classes.ToList
For Each Course In _courses.Where(Function(a) a.course_day = "Tuesday")
Dim _CurrCourse As cours = Course
[Code]....
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Aug 1, 2010
How do we add 15 days to the current Date which will not cross the month and resultant Date will never be Sunday? If it is Sunday make it Saturday?
Example > If Current Date is 17/08/2010 (DD/MM/YYYY)
Then Resultant Date is 31/08/2010 (DD/MM/YYYY) [Donot Cross the Current Month.]
Also 31/08/2010 would never be Sunday.
If it is Sunday make it 30/08/2010 (Saturday). [Date is not Sunday.]
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Nov 8, 2009
I am writting software for a touch screen (windows CE) as well as a desktop pc (windows XP)I have the software working for both, but the problem I am having is the Calendar.I need a Calendar for the current month, as well as allowing the user to go back to other months.I was going to use the control in vb.net called 'MonthCalendar' but when I add it to the form and make the control bigger (as in font) it adds to months when viewed on XP but when I copy the exe to the touch screen it only shows the 1 month like its ment to.Is there a better Calendar control I can use or does anyone know how to make it so that it only shows 1 month in the 'MonthCalendar' control?I am using VB.net 2008
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Jun 22, 2009
I changed the date of datetimepicker format to yyyy-mm-dd in custom format...but it displays 2009-00-22...the month part is not showing the month of the exact month..how to change the format of the date?
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Apr 1, 2009
Assuming this schema:
Table1 (Col1 int, Col2 str, Col3 str, ...)
Table2 (Col1 int, Col2 str, Col3 str, ...)
[Code]....
I need to select all records from Table2 where there are NO records in Table1 having matches of both Col2 & Col3. For instance, Table 2 records where Table1.Col2 <> Table2.Col2 AND Table1.Col3 <> Table2.Col3.
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Feb 2, 2012
I am trying loop though this month until past six months using vb.net and get the the month as integer and year only and pass this to my sql statement. but cannot seem to figure it out..so far i got this :
Dim dtNow As DateTime = DateTime.Now
Dim pastSixMonths As DateTime = dtNow.AddMonths(-6)
For i As Integer = dtNow.Month To pastSixMonths.Month
Next
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Jan 18, 2012
This code hangs in infinite loop. Any ideas why is that? Is that a bug in .NET? Can I do something about it?
Dim urlRegex As New
Regex("((?:[a-z][w-]+:(?:/{1,3}|[a-z0-9%])|wwwd{0,3}[.]|ftp[.]|[a-z0-9.-]+[.][a-z]{2,4}/)(?:[^s()<>]+|(([^s()<>]+|(([^s()<>]+)))*))+(?:(([^s()<>]+|(([^s()<>]+)))*)|[^s`!()
[code].....
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Jul 6, 2011
I've got a 'DateReceivable' column in one of my SQL tables, which is obviously when the item is received - the item can be anything. I've got a StartDate textbox, which can hold a string in the following format: 15/07/2011 this is the same format as DateReceivable. What I need to do, is check if the month in datereceivable is the same as start date, and I'm not too sure how to do this.
I've split the textbox string into the three parts, day, month and year, so I'm able to grab the month and compare it, but how would I compare it to a possible x amount of DateReceivable's when they're returned from a query? Should I put them into a data grid view then examine them, and if so, how would I compare the month that way?
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Nov 3, 2010
if i have 12 textboxes and i want to make sure none of them contain matching text (and no i don't trust the user to do this :P ) how would i go about this?
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May 11, 2012
I have a textbox and a rich textbox, all I want to do is if the field in textbox1 matches any field in richtextbox1 then display a label.
Normally I would try
If Textbox1.text = Richtextbox1.text then
label1.text "Field match"
however this wont work as there are many fields in richtextbox1?
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May 19, 2010
im making a tile slide game and im stuck . im trying to find out if the images are in the right place. how would i check to see if the images are in there respective picture-boxes?
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Jan 9, 2012
I have one question. In code, I want to check if day is no. 20 and if month is 12. I have tried with
Microsoft.VisualBasic.DateAndTime.Day("20")
and
Microsoft.VisualBasic.DateAndTime.Month("12")
but it didn't worked. So can anyone tell me, what code should I use for check day and month?
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Aug 24, 2011
The flow of my program is the following.
On form load, the program will check current date. If it is in a new month, some function is called.
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May 17, 2010
I am trying to create a program in vbfor this problem: "A TV set is purchased with a loan of $563 to be paid off with 5 monthly payments of $116. The interest rate is 1 percent month. Display a table giving the balance on the loan at the end of each month". It must have 1 button and a list box that displays successive balances, contains loops to balances, loop code includes output to the list box, List box displays 2 columns (one for month and one for amount owed) and 5 months are displayed and the amount owed for each. The Amount Owed should go down each month from month 1 to month 5 where month 5 will equal to $0.00
Here is my code so far but somehow the 1 percent interest i cannot get to add on each month so I am not getting the write answer.
Code:
Dim rate As Decimal
Dim loan As Double
Dim pay As Double
[CODE]...
I have attached a jpeg of what the end result should look like when code is being run.
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Apr 9, 2012
I want to know how I can check the string 'enabled' in my php page for each paragraph while being matching with each listview items that i have extract the strings from my php page?
Here's for an example: i check the string 'enabled' in paragraph one and if it does have it then tick the checkbox on the listview item 1 otherwise untick.
i check the string 'enabled' in paragraph two and if it does have it then tick the checkbox on the listview item 2 otherwise untick.
i check the string 'enabled' in paragraph three and if it does have it then tick the checkbox on the listview item 3 otherwise untick.[code]...
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Jul 7, 2010
I want to check Day & month of date which is in database.There is date field is in database which is mm/dd/yyyy format If I use "select" query then whole Date is access but I want only these date's which having today's day & month.Example: if today's date is 02/02/2010 then select only those date whose day is 02 & month is February.(Dont consider Year)
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Jun 1, 2011
I am implementing a system where the user can Reset their password if they have forgotten it.Once it is reset I want to give them the option of changing the password so that it will be something more memorable to them.The password is hashed and if i enter in the correct old password and new password the password does change.If I enter in the wrong old password and new password the password doesnt change.Is there a way to match the old password with the old password field in code behind so I can throw up an error to the user to tell them what is wrong? [code]
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Aug 14, 2009
Can anyone help me to make a program which include a Button shows the current Month and the year and when clicking the button it shows a DialogBox ith a MonthCalender (this one I have done - the Monthcalender shown on a Dialogbox).Further I want to change the month shown as a Text of the Button when I click other Buttons to make the calender to go backwards or forwards,
Another thing I want to know is how to make the TreeView which expand / reveal another line or something on clicking the "Plus".I am learning only VB 2005 / VB 2008, please give the codes etc for VB 2005 only.
BTW, Can you tell me how to paste a picture in this writing place? I tried to paste the picture to shoow what exactly I want to do, but I couldn't do it.
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Jan 31, 2011
in my program i am populating a datatable and then bulkcopying it into my database.however, i want it to overwrite a row in the database if 3 of the columns in the the row match. [code] so if the membernum, dateregistered and name match i want to overwrite the row.with the data from the bulk insert. in my program the entire database table is not populated and i think its to big to load it. [code] if the best method is to create a datatable with my database table how would i compare the rows and then overwrite the tables where there are matches in the particular 3 columns. and then update the database with only the rows that have either changed or the new ones. [code]
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Jun 9, 2010
Does anyone have a regurlar expression available which only accepts dates in the format dd/mm/yy but also has strict checking to make sure that the date is valid, including leap year support?
I am coding in vb.net and am struggling to work this one out.
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Apr 28, 2010
I am connecting to an Access database and using a parameter query with the LIKE operator to return all rows that match query. The string to search for is taken from a Textbox
sql =
"Select * FROM Allview WHERE Info Like" &
"*" &
CStr(TextBox1.Text) &
"*"
The query does not return any data in vb, but when run from access with same string, there is data returned.The connection to the database is done correctly, as I am able to return data with various other queries.
Partial code :
Dim
con As
New OleDb.OleDbConnection[code]....
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May 7, 2010
I'm trying to match a certain DateTime value with the current system DateTime. I have a timer and a label on a form. Timer interval is set to 1000. When the form loads, the timer starts ticking. As soon as the current DateTime matches the value of the variable, it shows a message in the label. When I'm writing the following code, the values don't match even if the current system DateTime is equal to the variable. Label1 isn't showing 'Times Matched':[code]The default format of 'Now' is the same as I have stored in dtmVar variable. So there's no question of format mismatch. Does that mean 'Now' is not actually a DateTime property? Provided, my O.S. is Windows Vista Ultimate and all date/time settings are set to default.
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May 1, 2010
I'm trying to match a certain DateTime value with the current system DateTime. I have a timer and a label on a form. Timer interval is set to 1000. When the form loads, the timer starts ticking. As soon as the current DateTime matches the value of the variable, it shows a message in the label.
When I'm writing the following code, the values don't match even if the current system DateTime is equal to the variable. Label1 isn't showing 'Times Matched':
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim dtmNow As DateTime
[Code]....
Why is it so? The default format of 'Now' is the same as I have stored in dtmVar variable. So there's no question of format mismatch. Does that mean 'Now' is not actually a DateTime property? Provided, my O.S. is Windows Vista Ultimate and all date/time settings are set to default.
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Mar 29, 2012
i have a for loop "for each val in values" I want to within this loop some how check positions ahead of the current position for a condition. I am unsure how i can do this however apart from having an inner for loop to loop from the current position. If that is the case I am not sure how i can get the current position.I have attempted this with this code below, the inner for loop.
If creditPoints = "10" Then
Dim valcount As Integer = Val.Count
For intLoopIndex = valcount To Values.Cou
[code].....
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