DateTimePicker Incompatible With Column Expression Is SQL Query?
Dec 12, 2011
I have DateTimePicker, and when I execute this procedure:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Me.TextBox1.Text = Me.DateTimePicker1.Value
sqltest = "SELECT * FROM Table " & _
"WHERE TOT_DATE = '" & Me.DateTimePicker1.Text & "'"
datest = New OleDb.OleDbDataAdapter(sqltest, con)
datest.Fill(dstest, "datepickertab")
Me.DataGridView1.DataSource = dstest.Tables(0)
End Sub
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Mar 9, 2011
Why does this:Private [Function] As Func(Of Double, String) = Function(ByRef z As Double) z.ToString
gives the following error:Nested function does not have a signature that is compatible with delegate String)'.
While this:Private [Function] As Func(Of Double, String) = Function(ByVal z As Double) z.ToString
Does not? (The difference is ByRef/ByVal)
Furthermore, how might I implement such a thing?
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Mar 21, 2010
While looking in the dataset designer for a database table I am doing in visual basic 2008 I found a line for expressions under the property menu for a specific column. I need to know the code that I would put in this expression line so that this column adds up the numbers I input into three other columns and displays that number in the column. I need it to automatically calculate this for each row in the database table.
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Nov 11, 2009
I am using the below Regular Expression which works fine in case of date validation. But if I select the date from the DatePicket even then it throws alert:Enter valid date. How can I modify the regular expression so as to be compatible with DatePicker.
Set RegularExpressionObject = New RegExp
With RegularExpressionObject
.Pattern = "^(((0?[1-9]|[12]d|3[01]).-/.-/?d{2}))|((0?[1-9]|[12]d|30).-/.-/?d{2}))|((0?[1-9]|1d|2[0-8])[.-/]0?2.-/?d{2}))|(29[.-/]0?2.-/?(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)|00)))$"
.IgnoreCase = True
.Global = True
End With
[Code] .....
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Jun 27, 2011
I'm using the following code:
Dim conz As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:BdadosCV_PARTS.accdb;Persist Security Info=False")
Dim cmd As New OleDbCommand("SELECT * FROM PECAS_IN WHERE Data >= ?", conz)
[Code]....
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Aug 17, 2011
How to use a DateTimePicker to query a database table. Basically, when a day is chosen on the DateTimePicker, I want all the database entries for that day to be populated on Datagridview. My Datetimepicker name is datetimepicker1. The datagridview name is dgv. The database table is called QCAuditing and the row in the database, that has timedate, which I want to use for query is called date. I was wondering if someone can point me to the right direction here.
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Jun 21, 2010
Using VB.Net I have the Datagridview control, In Datagridview one of the column I want to use Datetimepicker control Inside of the column.
[Code]...
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Mar 10, 2009
I have the following C# LINQ query expression:
[code]...
how to convert this to VB.NET?
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Jan 25, 2012
What I have right now is this:
Dim users = From users In tempTable _
Distinct Select users.Item("s_userid")
Dim usersCount As Integer = users.Count
But I pretty sure I shouldn't have to do that. I should be able to get the count in/from that first linq query.
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Dec 9, 2011
I'm receiving the following error from the query below:
Syntax error (missing operator) in query expression 'LTC_FBS.DBS_NM = LTC_FBS_EMP.EMP_ID
INNER JOIN LTC_FBS_REV on LTC_FBS.FBS_REV = LTC_FBS_REV.REV_I'.
Dim sSQL As String = "SELECT FBS_ID, CLM_NUM, EMP_NM, REV_NM, DATE_SUBMIT FROM
[code].....
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Jun 20, 2010
Anybody see anything wrong with this when I am inserting data into access
Dim cmd As New OleDbCommand("INSERT INTO SiteInformation VALUES(_TITLE)", connection)
cmd.Parameters.AddWithValue("_TITLE", "test")
I get syntax error in query expression '_TITLE'.
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Jul 10, 2011
[code] when i try to add date into db >> is showing me that error ( Syntax error (missing operator) in query expression '10/07/2011 07:45: )
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Oct 2, 2009
Of the 51 Standard Query Operators (of which only 42 are actually query operators), only 24 are directly supported by Visual Basic 9 and just 11 by C# 3: Query Expression Syntax for Standard Query Operators.In many cases, query syntax is arguably more readable than the equivalent method syntax, especially when transparent identifiers are involved. However, that readability breaks down if you have to combine queries and method calls.So the question: What query operators, current or hypothetical, would you like to have your language of choice support in query expression syntax?
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Feb 25, 2011
I have a query that I cannot seem to replicate in expression method chain syntax. I have two tables "User" and "UserPayment". User and UserPayment have a one to many relation i.e. One User can have many UserPayments.
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May 27, 2011
i am trying to develop a simple app to automate binding of data from access db for filling a form in a sequential order vb 2008 express. an error keeps coming up 'expression expected' on an sql query in the code i wrote. the code is shown below:
Private
Sub STARTButton_Click(ByVal
sender As System.Object,
ByVal e
[code]....
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Jul 6, 2009
I have been working at this for awhile, searching everywhee, I keep getting the error: Syntax error (missing operator) in query expression 'UPC Code=051384628502'.The block of code this error originates from is: [code] When I make it into a comment, the program works, except it doesn't put the string value I want into the table, nor does it save it.
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Sep 21, 2011
Function updateCoustmers(ByVal ID As String, ByVal codeq As String, ByVal nameq As String, ByVal birthdateq As String, ByVal addressq As String, ByVal mobilenumberq As String, ByVal phonenumberq As String, ByVal certificateq As String, ByVal dateofregisterq As String, ByVal nameofcourseq As String, ByVal priceofcourseq As String, ByVal
[code]....
this is wrong message shown to me ( Syntax error (missing operator) in query expression '[ID]='. )
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Mar 11, 2009
i have to complete a room reservation projecti have a database called project21.mdb and there is 3 table inside rooms,users,and bookingsnow i facing a problems on display my filter data on the datagridview1 ,it appear syntax error(missing operator).this is my code ..i think the problems is appear in this line,but i just cant find the problemsDim cmd As OleDbCommand = New OleDbCommand("SELECT
type,startdate,enddate,starttime,endtime FROM rooms,bookings WHERE[code]......
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May 6, 2010
i am getting error while inserting record in ms access here is my sample code
Dim str As String
cn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:final.mdb;")
cn.Open()
str = "INSERT INTO 019loan (Salutationinteger,Customername,shortname,
[code]....
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May 5, 2010
I am using vb.net 2003 and accessing an Access 2002 database via oleDb and Jet 4.0.I am filling a set of text boxes with data from the database. The Connection, DataAdapter and DataSet are all set using the Wizard. The text boxes fill correctly with the first row of data. I then wished to filter the data so I went into the code and added a WHERE clause as follows:WHERE [Boat Name]=" & xid & "xid is the variable name given to the selected boat name. When I run the program I get the following error message:
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Feb 7, 2012
I am getting a syntax error " Missing operand after 'Price' operator" with the following code, which should be right but obviously isn't. Any thoughts on where the error is?
table.Columns.Add("ADR Price", GetType(Double))
table.Columns.Add("ORD Price", GetType(Double))
table.Columns.Add("Currency Price", GetType(Double))
[code].....
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Oct 5, 2010
Can someone tell me please if it is possible to create a datacolumn(LowestPrice), and using something like MIN expression, have this column (LowestPrice) populated with the lowest amount from 3 columns on the same row.[code]If possible could someone please provide the syntax or code for this to work
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Jan 13, 2010
i want to set a complex column expression truncate(cdbl(Today()-date2)/30)*(parent(parentchild).field1/parent(parentchild(filed2)))but truncate function is not available !
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Feb 12, 2011
I never thought it would be so complicated to add a few days to a date field as an expression lol...
I have a [addDate] field in my Access Database that the user will put in a number. So if they type 10 then that represents 10 days.
There is preferably a textbox that will display the starting date, this will be bound to another table. (I can make another field with this data, or date/time chooser, etc if necessary).
What I want to do is add a calculated field [newDate] to my datagridview that will add the number of days typed in the [addDate] field to the starting date in the textbox.
I've tried making fields for [originalDate] and [addDate] and tried using [originalDate] + [addDate] as an expression but that give me a debug crash error because the designer won't let me add a system.datetime to anything and if I keep them as strings, they just combine the text, and the date as a double obviously don't work either.
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Dec 29, 2011
What I am about to do build is a UI that will allow a power user to build complex queries.
This is non-trivial, but very common. So before I re-invent the wheel, I would like to see if anybody can point me to some already-written free code or release some of their own.
Required:
To be able to specify some 'where-clause' type logic like this: Age>21 and (Citizen=True or HasGreeCard=True) but without having to type the query code, instead, use a UI with constrained options and on-the-fly syntax checking (e.g., no unclosed parenthesis or ending a term with an Operator).
I've seen this type of thing in many line-of-business apps, where you can say 'add condition' and another line appears on the UI like this:
Dropdown of fields Dropdown of ops (=, >, etc) Blank box for entry
And you can add more lines, and the lines are all and'ed, but you can also decide to OR a few, or insert parenthesis (explicity or via indenting), NOT a line, insert, delete, and move lines around, etc.
Not required but nice:
WPF - I could convert from winforms. Extensibility using OO constructs. Validate the sanity of the query. Emit a System.Linq.Expressions expression tree - or similar data structure. If it attempts to execute the query I don't need that; but I don't mind removing it.
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Apr 27, 2012
I'm trying to populate a combobox from another combobox
There are two comboboxes involve:
1. comboSupplierID
2. comboSProducts
[code].....
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Jul 22, 2011
i m having the following code please help me to find out where is error as i am new to vb.net...
device = ComboBox1.SelectedItem having a combobox which will choose any device from CPU , Monitor or Printer Private Sub show_details()Dim deviceNO As String ds.Clear()da.SelectCommand = Nothing deviceNO = ComboBox2.SelectedItem 'id of the device deviceNO.Trim()
[Code]...
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Apr 11, 2009
I have program, which takes scripts (RGSS) and inserts them into a database. These scripts have lots of quotes and things like that inside them, but I don't think thats the issue here.
The error: Syntax error (missing operator) in query expression
[Code]....
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Aug 15, 2011
I was wondering how i could pass the following SLQ function to my datatable:
Select sum(Quantity) from Purchases where transaction_mode=1
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Aug 8, 2009
I have an access database with several tables. in one of the tables there are three columns named quantity, price and total cost.total cost is an expression of (quantity * price). the expression looks grate in the datagrid etc but when I need to save it to the database
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