Append Date Column In SQL With Blank?
Dec 14, 2010
SQL Table Column Data Type is Date; NULLS allowed,Input to MaskedTextBox set up as: ##->&<&<&-## so typical input is 01-Jan-10, etc. When the MaskedTextBox is filled and column populated, the data in the SQL table uses the format 2010-01-01
The form does not like a blank MaskedTextBox; therefore, when filled - no problem. When left empty, it has a problem. So I wrote this code to populate the column regardless, and will filter out the 2001-01-01 entries in associated reports using Report Viewer. This is less than ideal, so I would like to know if there is a way to make the column as NULL instead of "dummy date" of 2001-01-01?
[Code]...
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Jun 8, 2011
I am Importing a Excelsheet(xls) in to my Application, but the date and Number column showing blank in dataset when comes to application. The values are there in Excel. Any other way to import the excel sheet to application, so that i should get all the values same as there in the excel sheet.
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May 11, 2011
I have a few date fields on a form. no matter what i've tried in the properties, the form still loads and there is a default date in there, how do you get rid of this?
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Jul 22, 2011
I have two rows as shown below
regn_no date name Adress
5001 15 may 2010 A xyz
5001 13 jan 2011 B ABC
[code].....
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Jan 11, 2010
I'm working on a small accounting app. I have a query to show transactions with a running balance.
SELECT transactionid, transactiondatetime,
amount,
(SELECT SUM(amount)
FROM dbo.transactions as D1
WHERE D1.transactiondatetime <= D0.transactiondatetime) AS balance
FROM dbo.transactions AS D0
I capture a gamesheet for a certain week. so if I select a date on a monthcalendar the sheet applies to the weeknumber of the selected date. When I save transactions I take the date at the last day of that week as the transactiondate. I need to store a datetime though because my query works of the datetime to get an accurate running balance. How can I append now() time part to my date variable and then store that in a datetime variable to get a transactiondatetime.
Here is my code for getting a transactiondate:
Dim dt As New Date
dt = Me.MonthCalendar1.SelectionStart
'get last date of week. Friday
Dim tdate As Date = dt.AddDays(5 - CInt(dt.DayOfWeek))
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Dec 1, 2011
I'm using this script to add text to a variety of .txt's on the fly: Const ForAppending = 8
[Code]...
So I'm sending text with the program launchy this .vbs (addln.vbs) - ("$$" c:ideas.txt) is what the argument is if I want to send to ideas.txt for example All I want to do is make it so I get the date and time right before whatever text I send to this text file. I don't think this would be too complicated.
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Oct 5, 2010
How can we handle the case where one date is blank in DateDiff method? Example:
DateDiff(DateInterval.Day, CType(txt61_2.Text, Date), CType(txt21_2.Text, Date))
In above statement fields txt61_2.Textor txt21_2.Text may be empty then take it has 0
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Dec 27, 2011
I'm having a problem with a date time picker. One of the requirements of the app is to have the date be blank until the user selects something.
[Code]...
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May 16, 2008
Is there a way not to show the very first blank column of the datagrid?
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May 18, 2010
Currently working on a project to automate the input based on the Summary file (xls format)
1. I want to be able to do the following: update, append, delete and populate the records to the various files based on two distinct fields, column A & F (see attached file).
2. Researched the process, requires knowing VB codes, are you familiar with this language? If so, how can I simplify the process? Please advise.
3. The files will reside on the SPP.
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Sep 9, 2011
How do i use Datatable.select method to select only those rows where a specific column value is blank?
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Dec 31, 2009
I'm using the ErrorProvider in VB.Net (2005) which is associated with a BindingSource that is bound to a custom object that I have created. This custom object contains a date field that has a "Date" data type that. I am using a "TextBox" to bind the date field in my form. My issue is, whenever the TextBox loses focus and is blank, "String not recognized as a valid DateTime" is displayed by the ErrorProvider and the focus can't be changed to any other control on the Form. It's good that the ErrorProvider validates entries on Date fields by default (I didn't set up my custom object to display this particular error for the date), but it should allow blank values. I want the user to be able to have a blank date with no error message displayed. How can this be done using a Date field bound to a TextBox?
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May 30, 2010
I have a field called PODate & TextBox txtPODate.text. It saves/updates fine when the txtPODate is filled. But when the txtPODate is blank, it throws an error. The problem is that I can't enter date for each record unless I got Purchase requisition converted into Purchase Order. Once it is converted to PO, I need to enter the date to update that filed. So, how can I make my program to accept blank date field.
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Sep 12, 2009
I have a date field bound to a textbox. If I make any changes to the textbox, I get "stuck" in the field unless I put a valid date value. All I want to do is set the date textbox to blank and move on to the next field, but I can't. I am eternally "stuck" in the field unless I put a valid date value.
[url]..
I did several hours of research, but looks like there is really no solution to this problem... Is this true?
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Jun 20, 2008
Using VB2008, Access
I have 2 fields defined as date/time (short date).
I need to store dates fields which may at times be blank (null), how do I go about that?
I tried using:date.minvalue and that stores the value of 12/30/1899. I would like the field to be blank until the user enters a valid date.
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May 4, 2009
How can I get this to happen? I googled around and it seems setting the CUSTOM FORMAT to " " when the field is null will work but not for a BOUND datetimepicker.
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Oct 31, 2011
I'm currently writing a small app that takes data provided by an SQL stored procedure and makes it available for easy export for non-tech savvy users. I'm trying to make this as generic as possible, in that you should be able to plug in just about any SP and follow my template to have an export utility. I'd like to add a way to get the column names before running the SP from the SP itself. I had assumed you could just run the SP with impossible values so nothing is returned, then get the columns from the resulting VB.NET DataTable. However, if there is no data returned, the column names aren't returned either. How can I get the column names from the SP without having to hard-code them?
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Aug 26, 2009
Does anyone know why a ListViews dragover event does not fire when dragging over a listview column header or an empty row?I'm trying to highlight the row a user is dragging over. Everything works with the exception that when I drag over the column header or an empty row the previous row stays highlighted since the dragover event doesnt fire. Is there another event that I should be looking at? I've checked the hover over and it doesnt fire either.
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May 13, 2010
I have an access form that shows a data table. when the form is opened, I want to filter the data in the date column to show only the records that don't have a date entered into the field.
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Jul 14, 2009
Would it be possible to search a table, confining to a specific date range based on a date-time column, and get a count of the 10 most used words in a particular var-char column excluding a list of words?All in SQL?Currently I am pulling out the records that match and sorting through the contents outside of SQL, I would think where I can do it directly on the server it would be more efficient.(SQL 2008)
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Apr 4, 2012
I have a calendar column which is generated on from load. Its value is assigned to todays date - for instance 04/04/2012
I also have a comboBox with a list of months.
Is there a way I can change the value of my calendar column to reflect the chosen month?
For example, if I select January from my comboBox then have the date as 01/01/2012.[code]...
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Mar 16, 2009
It is supposed to change the forecolor if the listview date in the first column is less than label 3's date.
For ii = 0 To Me.ListView1.Items.Count - 1
Dim iInvoiceDate As ListViewItem = Me.ListView1.Items(ii)
If iInvoiceDate.ToString < Me.Label3.Text Then
[Code]....
No errors and all the variables are returning what i am expecting but it doesn't change the forecolor.
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Aug 25, 2011
I use an OLEDB connection to read from an excel database, and this loop to read in all of the data from each of the columns
While reader.Read()
For i As Integer = 0 To reader.FieldCount - 1
temp = reader(i).ToString + ControlChars.Tab
output_file.Write(temp)
[code]....
Some of the columns contain date information, which are read in fine (usually as a string "2/20/2011" or so), but the headers of those columns are read in as a blank "". The headers for all the other columns read in fine, but not for the date containing columns.
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Apr 19, 2010
Ok the problem is with this Calc.DateLongToDateShort(tempxmlnodelist(j).Item(" _date").InnerText) < Date.Now Then If the innertext is a correct date, then the equation suceeds, however when the innerText is blank, which sometimes it will be, it throws exception cannot convert "" to Date. Now this makes sense of course. I am wondering if there is a "simple" way to avoid this error, without needing to add lines such as:
[Code]...
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May 11, 2010
is there a date datatype in visual studio 2008? cause i want to create a column name with date as its datatype.. but the one that comes out is datetime..
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Apr 29, 2010
What is the easiest way to automatically fill a datetime column in an SQL data table with the date the row was created? Using SQL Server 2005 if that matters.
EDIT: I've tried using GETDATE() for default and that works for an INSERT Query but not when the TableAdapter adds the row.
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Aug 12, 2011
I loading data into datagridview from xml file. And I have a one problem: date formatting.
Datagridview shows a date like this: 2011-01-01T00:00:00+02:00
How to force him to show the date in short date format (only 01.01.2011) without a time
I've tried this code:
ds = New DataSet
ds.ReadXml("filename.xml")
Dim dv As DataView = New DataView(ds.Tables(0))
[Code]......
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Jun 21, 2010
Datagridview column1 has data as follows [code] I want to display it in this format [code] This is datetime data type comes from table1.
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Mar 17, 2009
Datagridview column1 has data as follows
21/12/09
22/12/09
23/12/09
[code]....
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Aug 6, 2009
I am creating my Excel great, except that a field that contains numbers ie 1-10 or 2-5 keep getting changed to the equivilant in date. I don't want dates. If I format to text, then it cuts off part of the original data.
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