VS 2010 Formatting Dates And Times In Update Statement?
Nov 27, 2011
I have now started posting to a MySQL database created by someone else. I have no ability to change the table structure.Two questions:
1) There is a date field and a time field that loosely tracks the last edit date and time. Both are fields set up as DateTime in the database. The date field always has the proper date but the date and time portion shows as
2011-11-27 00:00:00
However, the time field shows as
1899-12-30 23:16:58.
When I am updating with the following code
strSQLCmd.Parameters.AddWithValue("@EditDate", Date.Now)
strSQLCmd.Parameters.AddWithValue("@EditTime", TimeOfDay)
The date field displays
2011-11-27 23:40:26
and the time field displays
0001-01-01 23:40:26
I'm not sure how to format the date field without time and the time field with Dec 30 1899.Question 2) I will be adding some tables and will be wanting to track date and time of first entry as well as date and time of last edit. (this may have been better posted in the Database forum, if so, sorry)
For those of you who have done this before, would you mind sharing best practises? I am wondering why would you use two fields, one for date and one for time, when the field is a date/time field to begin with. I've seen this before in another database as well. I'm just trying to work out the logic here.
I am having issues with the Arabic language when trying to display dates and times. I seem to be unable to get the formatting to work on a date, or on a time, but it works on a date and time. Other languages seem to be fine. Any thoughts on why this is? (see image link below) Also, the Arabic formatted date is very different than the normal date (e.g. 8/20/2010 is showing as 10/09/31). Is this accurate?
I am trying to create a small application which does mathematical calculations using dates and times. Specifically, to determine the period of time between two specific dates and times.
I have this really weird problem, in excel I'm using a user form to get the date from the user. I used the calendar control in toolbox. So when the user selects the date it goes to its text box, still in the user form correctly formatted as dd/mm/yy.
Im using VB to set default dates and times for the file names when a form is saved through InfoPath, this is what I have so far:
[code...]
This works but i need to format it to this:
ddmmyyy and hhmmss
I need zero's before single characters as if its only a single character then it only displays 1 eg if its 9 in the morning it'll display 9 rather than 09 and i need 09.
Syntax error (missing operator) in query expression '''system time'''.this is the error that appears
this is my code:
Dim sqlCmd As String Dim x As Date x = Format(Now(), "General Date")
[code].....
the fields in the tables are all text fields.is there any way to fix this error? perhaps it is in my query but i really cant find a solution.is there an alternative to get what i want my program to do?it is basically entering an ID number and finding the record with the same idnumber and putting the system time on the timein field for that record.
In my app I present to the user an option to customize the name of the file that gets produced. The format string the program reads is something like "yyyyMMdd-%1-%2-%3-%4" which the user can customize to his liking. In this case the format of the date is yyyyMMdd and the %1 is the trip number like 1000P, %2 is the origin code like PTTTT, %3 is the destination code like PHYUD, and %4 is a secondary stop code like YYYY123. I'm having problems taking the actual data and formatting into the custom string. I believe its the date format that I'm getting stuck on.
So far I have sOut = txtFormatPattern.Text sOut = sOut.Replace("%1", "1000P") sOut = sOut.Replace("%2", "PTTTT") sOut = sOut.Replace("%3", "PHYUD") sOut = sOut.Replace("%4", "YYYY123") sOut = myDate.ToString(sOut) 'date is July 01, 2007
The output is "20070701-#1000P-PTTTTP12YUD (YYYY123)"
The problem obviously here is my last conversion. The string contains key characters that denote a part of the date specifically in PHYUD. So my question is how can I give my user the flexibility to format the output as they wish and then convert that properly?
I want my program to be able to create a '.txt' file when it is run for the first time, with the date and time the program was accessed, and to be able to add new 'logs' of program history every time it is accessed. What i mean is that i want my program to be able to create a '.txt' file, and then fill in the dates and times when the program is opened.
I have a variable number of usercontrol on a form Each time the user interact with one of the controls, I need to update a global state on the form.Each time I write a new control, I added a call to the Update function, but don't like it. I may add a new control and forget to write the call. Worse, I are repeating the call many times.
It does not look good.I changed all the user control to inherit from a class in which I coded a LostFocus event, updating the global state each time the used abandon the control, but it does not work if the user does not migrate to another control, and the updating is not interactive meanwhile the user is editing the control.
[Code]...
but none of them fires after the user had interacted without losing focus; or I are wrong?
I want when any user search For: Delhi to Manali on between 17-Dec-2010 to 19-Dec-2010 then the price would be automatically changes to $900 in gridview else the default price wold be displayed in fare is $600 if he search for DelHi to Manali after 19-Dec-2010.
Ours is a transportation company. We do services/transportation/logistics for various companies.I am working on Scheduling a work order process for those companies who are registered with us.While during the process of registration, a company will specify the week number to execute a job during the contract period.So this will be a routine service which we need to perform for every number of weeks specified For Example: if any company specifies the week number as : 2. that means for every 2 weeks we need to do the service for that company during the contract period.
How to update the dates into the database server for each company for their jobs to be performed.So if my Admin wants to know all the jobs in this current week. I should be able to pick only those companies and their jobs in this week only.
I'm working on a .NET component that gets a set of data from the database, performs some business logic on that set of data, and then updates single records in the database via a stored procedure that looks something like spUpdateOrderDetailDiscountedItem.
For small sets of data, this isn't a problem, but when I had a very large set of data that required an iteration of 368 stored proc calls to update the records in the database, I realized I had a problem. A senior dev looked at my stored proc code and said it looked fine, but now I'd like to explore a better method for sending "batch" data to the database.
What options do I have for updating the database in batch? Is this possible with stored procs? What other options do I have? I won't have the option of installing a full-fledged ORM,Additional Background Info:Our current data access model was built 5 years ago and all calls to the db currently get executed via modular/static functions with names like ExecQuery and GetDataTable. I'm not certain that I'm required to stay within that model, but I'd have to provide a very good justification for going outside of our current DAL to get to the DB.
Also worth noting, I'm fairly new when it comes to CRUD operations and the database. I much prefer to play/work in the .NET side of code, but the data has to be stored somewhere, right?
I have a form with comboboxes, if the user doesnt select a value in the box I want a null to be sent to the database. The insert works fine, i look at the record in the db and see the null. The update doesnt work. gives me a n "Update statement conflicted with foreign key constaint....."
Public Sub Update() TableAdapterCreate().Update(ID1, ID2, CType(cbox1.SelectedValue, Integer), CType(cbox2.SelectedValue, Integer), CType(cbox3.SelectedValue, Integer), CType(cbox4.SelectedValue, Integer),
[CODE]...
As I step through the selected value of the cbox 5 is shown as nothing (which it should be because the user didnt select a value for this combobox). I assume this needs to be a null instead of nothing to get written to the database. the combox boxes need to match a primary key in another table so sending a 0 would also result in the forieign key error since the related table does not have a 0 ID field.
I have a datagrid with data and I want to update a database with the data on the datagrid. I only want to update one column, the problem I have it is that the Column it is name diffrent on the datagrid than the database. On the datagird it is name "EloBirdFinal" and on the database it is name "EloBird". I did some code but it didn't work. I will put my code here
Dim RowCount As Integer = DataGridView1.Rows.Count - 1 Dim ColumnCount As Integer = DataGridView1.Columns.Count - 1 Dim RowIndex, ColumnIndex As Integer
im new with vb .net and im currently developing a simple information system for an agency .. im almost done with it but there seem to be a problem with my update statement for the change password code here's my code..,[code]
I'm working a code to do an update statement but I get an error. I have the name of the column in a variable I added a parameters to pass the value but I get an error. The error says that Parameter @Ronda has no default value?
I currently have a problem attepting to update a record within my database. I have a webpage that displays in text boxes a users details, these details are taken from the session upon login. The aim is to update the details when the user overwrites the current text in the text boxes.I have a function that runs when the user clicks the 'Save Details' button and it appears to work, as i have tested for number of rows affected and it outputs 1. However,when checking the database, the record has not been updated and I am unsure as to why.I've have checked the SQL statement that is being processed by displaying it as a label and it looks as so:
UPDATE [users] SET [email] = @email, [firstname] = @firstname,
I'm trying to update a specific record based off of a users selection. Regarding Entity Framework syntax, I'm not very familiar. Is it possible to achieve this SQL statement in Entity FrameWork?
I'm trying to refresh the datagrid after using the SQL UPDATE statement. The data changes physically in the database but the datagrid is not affected. The data is changed only after i restart the program.
How can i get the datagrid to refresh or update? I have tried using, among other code, the refresh() method, but it does not work.
I have the following code which works fine; For Each myFile As String In IO.Directory.GetFiles(Label1.Text, "*.zip") Dim fi As New System.IO.FileInfo(myFile) sFilename = fi.Name Col_Prac_no = sFilename.Substring(1, sFilename.IndexOf("_") - 1)
For example: I have filename as: I00018_20120329042035_111 The col_prac_no = 00018
Now, I want to update the for statement to have another value extracted from the filename. The first letter of the filename. In the example: I00018_20120329042035_111 The first letter of the filename in above example is I.
So if we have: S00018_20120329042035_192 the value will be - S.
