My C# code looks like this:
myNum = dt.Columns[0];
myNum is an integer and dt is a datatable. The value in column 0 of dt is a string ("12"), but I'd like to convert it to an integer. How can I do this?
I've tried:
myNum = int.Parse(dt.Columns[0]);
...but that doesn't work. Any ideas?
Does anyone know how to count the number of times a value appears in a matrix?
For example, if I have a 1500 x 1 matrix M (vector) which stores the values of weekdays (1 - 7), how could I count how many Sundays (1), Mondays(2), ... , Saturdays(7) are stored in M?
i want to add default value to the html text box by the view data. the foolwing code will give an idea wht i want to do exactly
<%= Html.TextBox("quantity", <%= Html.Encode(ViewData["quantity"]) %, new { maxlength = 4 })%
but it shows an error. plz tel me the solution for this.
thank in advance....
I always catch exceptions by value. e.g
try{
...
}
catch(CustomException e){
...
}
But I came across some code that instead had catch(CustomException &e) instead. Is this a)fine b)wrong c)a grey area?
Hi,
I am trying to access Attachment names form "$File" (Lotus Notes).
NotesView inbox = _serverDatabase.GetView("($Inbox)");
NotesDocument docInbox = inbox.GetFirstDocument();
NotesItem file = docInbox.GetFirstItem("$File");
String fileType = file.type.ToString();
( getting fileType value "ATTACHMENT" for mail containing attachments)
I am not getting solution given in:
http://stackoverflow.com/questions/1361695/how-to-access-attachments-from-notes-mail
Say I have a query like the one below. What would be the best way to put each value into an array if I don't know how many results there will be? Normally I would do this with a loop, but I have no idea how many results there are. Would I need run another query to count the results first?
<CFQUERY name="alllocations" DATASOURCE="#DS#">
SELECT locationID
FROM tblProjectLocations
WHERE projectID = '#ProjectName#'
</CFQUERY>
How to configure PHP to emit warning when I try to read value of unset variable?
It is frequently happens when I rename variable in one place, I obtain weird result because I forgot to rename it in other place.
Hi,
Can anyone help me please?
I have to find the row number from 1 selected array which I stored in one separate array and randomly I'm trying to get the row number from datagridview
http://serv8.enterupload.com/i/00246/aewglahmvpr5.jpg
In other words:
if I know a column value for a given row in a datagridview (e.g. for this row, FirstName == 'Bud'), how can I get the row ID?
Hi i am fairly new to objective c and have been doing some iphone programming.
Is it possible to look up the value of a variable in a different class?
Basically what i am doing is running a function that exists in my app delegate from a view controller, but the app delegate needs to use a variable stored in the view controller from which the app delegate function was called. Make sense???
Any help would be grateful.
James
my form is
class MapForm(forms.ModelForm):
class Meta:
model = Map
fields = ('mapName', 'kmlStr')
and the view is :
map_form = MapForm(request.POST or None)
if map_form.is_valid():
map = map_form.save(commit=False)
map.mapName=map_form.mapName#is thie code right ?
how to get the mapName 's value , us 'map_form.mapName' ?
thanks
Hello,
As we hav comparevalidator in Asp.Net, what do we have in JSF to validate whether two field's value are same or not? I want to validate password and confirmPassword field.
I am trying to deserialize a field:
"presenters":[{...},{...}]
but some of the rows come back with only:
"presenters":""
When the serializer gets to the row with that empty string I get:
Error converting value "" to type 'System.Collections.Generic.List`1[DataPrototype.Model.Presenter]'.
Am I right in thinking that I need a JsonConverter that will change the empty string into an empty List?
I am using mysql stored procedure; I need to assign query retuned value to local variable.
And i have to check the condition using the local variable.....
or
It my query
Select Meterial_Id from hemaepdb.transaction where CustId=1;
Instead of Meterial_Id i need to get the Meterial_name from Material table.....
I have a table with three columns: patient_id, obs_date, and weight_val. patient_id stores patient identification #, weight_val stores a weight value, and obs_date stores the date when the weight reading was taken. So, a patient can have many different weight readings at different dates.
How do you write a query for:
select all patients whose last weight reading is 120?
i am running a selenium test using ruby and was wondering how i can assert the value inside a text field?
i have a page where once its loaded has text inside the editable text field and i was wondering how i can check if the text is present?
thank you
I'm reading an article about different evaluation strategies (I linked article in wiki, but I'm reading another one not in English). And it says that unlike to call-by-name and call-by-need strategies, call-by-value strategy is not Turing complete.
Can anybody explain, please, why is it so? If it's possible, add an example pls.
I want to set the value of the column 'character_hold' to 'no' for all my rows in my MYSQL database. Is there a SQL statement I can use in phpmyadmin to set them all to 'no'?
I have a secret word (example. dirtydawg)
And using PHP I want to create the uppercase MD5 value of the ASCII equivalent of the secret word.
How do I do this????
According to the Release Notes:
All user request have an
X-AppEngine-Country header which
contains the ISO-3166-1 alpha-2
country code for the user, based on
the IP address of the client request.
My app is running on localhost with the 1.5.1 Java release which contains the X-AppEngine-Country header but I don't seem to be receiving any value for this header in my requests.
Do I have to deploy the app to a production instance to test this feature?