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I have some strings to represent the names of forms and controls.
for example;
MenuLogin = name of an instance of System.Windows.Forms.MenuItem
Now I want to assign Text value to the object whose name is the string at run time.
I.e:
s1 = "MenuExit"
Object(s1).Text = Exit login window //find an object,Name:MenuExit
I can't find a method in the Object that can search an object with name "MenuExit" in the application.
Please tell me how to implement it, thanks.
modified 17-Jun-15 15:29pm.
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Are you wanting to know how to do this in C#?
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Sure, Thanks.
I rewrote my question. In fact, I don't want to create a new object,
I just want to find the object with the name: xx-YY.
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I try to use Assembly.GetExecutingAssembly().
Thanks
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I think you misunderstood Pete's comment, this is a C# forum, and your question is Visual Basic. There is a designated forum for VB questions.
As for your question; I'm not entirely sure what you want, WinForms are not my expertise. It seems like the .Text method does not exists in s1.
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econy wrote: I can't find a method in the Object
You annot assume that Object will contain such a method; and where would it search for these items? You would need to first create some type of List that contains all the Objects, which you then search by name.
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Hello,
i want use an external Method there will be get an Struct.
The Struct is lokk like this:
typedef struct _SYSTEM_POWER_STATUS {
BYTE ACLineStatus;
BYTE BatteryFlag;
BYTE BatteryLifePercent;
BYTE Reserved1;
DWORD BatteryLifeTime;
DWORD BatteryFullLifeTime;
} SYSTEM_POWER_STATUS, *LPSYSTEM_POWER_STATUS;
In C# it looks like this:
struct SystemPowerStatus
{
byte ACLineStatus;
byte batteryFlag;
byte batteryLifePercent;
byte reserved1;
int batteryLifeTime;
int batteryFullLifeTime;
}
So, i want to rename the Fields. How i can do it? must the Structs Fields named like the original Struct?
Best regard
Armin
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The field names don't matter. So if you're writing a struct, you can choose any names you like. A smart developer would have simply tried it; you learn more that way.
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Piebald is right - the names are irrelevant.
If you want to "match" the two structures though, then that's probably because you are planning on sending or receiving them from / to an external unmanaged application of DLL. If so, you have to ensure they are identical in layout: so add a StructLayout Attribute[^] to your C# version to force the compiler not to optimise the memory.
In this particular case, it's probably irrelevant (as there are four bytes before the first 32bit number) but that isn't always the case.
It's worth checking if this site has a structure that is compatible ready for use: http://pinvoke.net/default.aspx/Structures/SYSTEM_POWER_STATUS.html[^]
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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If you're using Windows Forms, you don't need this structure, or the P/Invoke method; the SystemInformation.PowerStatus property[^] will give you the same information.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Hello,
it was an sample.
Thanks.
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How many forms include in Emplyee's attendace system?
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Depends how many you want, and what you want to record and show in your system.
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This will depend on the number of features you want to provide in your attendance system.
It will also depend on your UI design - you could show everything in one form or have different forms for each piece of functionality.
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hi
How to print a page of stickers in C# WinForm
i try with crystal-report without success.
thanks
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The simplest way is to use a PrintDocument[^] - create a method to print a label, and call it repeatedly.
The class gives you complete control over the printing on your page, and exactly where everything goes.
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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hi
i have dataGridView that show my table.
how to update dataGridView cell by fill it ?
for example i have table MEN that contain field Age
when i stand on my age cell on dataGridView and change the value - i need that it will
change in the database too.
how to do it ?
work on C# Winform
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How To Get The Values Which is In Grid View To Another Form??????
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apologized for asking a help for linq query. i hardly use LINQ rather i use MSDAAB as DAL which i use to execute my inline sql query or my db store procedure etc. now i am in situation where i need to use LINQ to extract data from datatable.
here i am attaching one screenshot like how my data look like enter image description here
http://i.stack.imgur.com/NMrvR.png[^]
the is data is coming from sql server and for which i am using the below query for sql server. please see my query first.
select
(select count(*) as incoming from tridip_Interval where direction='I'
and CONVERT(datetime,right([Call Start],8)) >='08:30:00'
and CONVERT(datetime,right([Call Start],8)) <='09:00:00'
and Is_Internal=0 and continuation=0 and
RIGHT(convert(varchar,[call duration]),8)<> '00:00:00'
and party1name='Train5') as incoming,
(select count(*) as OutGoing from tridip_Interval where direction='O'
and CONVERT(datetime,right([Call Start],8)) >='08:30:00'
and CONVERT(datetime,right([Call Start],8)) <='09:00:00'
and Is_Internal=0 and continuation=0
and party1name not in ('Voice Mail')
and party1name='Train5') as OutGoing,
(select count(*) as CallTransfer from tridip_Interval where continuation=1
and CONVERT(datetime,right([Call Start],8)) >='08:30:00'
and CONVERT(datetime,right([Call Start],8)) <='09:00:00'
and RIGHT(convert(varchar,[call duration]),8)<> '00:00:00' and
party1name not in ('Voice Mail')
and party1name='Train5') as CallTransfer,
(SELECT count(*) as UnansweredCalls_DuringBusinessHours
from tridip_Interval where direction='I' and
CONVERT(datetime,right([Call Start],8)) >='08:30:00'
and CONVERT(datetime,right([Call Start],8)) <='09:00:00'
and RIGHT(convert(varchar,[call duration]),8)= '00:00:00'
and [Ring duration]>0 and party1name='Train5') as misscall
now i want to use LINQ to query data table but hence i am not good in linq so not being able to compose the above sql like query with linq. so just wonder if any guy help me to compose the above query with linq.
apologized could not highlight my linq query because very honestly i know linq little and that is the reason things is not coming to my mind how to compose the same above sql query with LINQ. looking for hep and support.
tbhattacharjee
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basically i would have a main select and there will be some nested select like below
SELECT EmployeeName,
(Select count(*) from table1 where condition) as data1,
(Select count(*) from table1 where condition) as data2,
(Select count(*) from table1 where condition) as data3
i like to know how to write nested select ?
anyone can construct a sample one for me. thanks
tbhattacharjee
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I know how to create a stored procedure.
In C#, how do you create a stored query so that is is displayed in the table of contents with related tables and queries?
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Member 10953820 wrote: create a stored procedure.
Access doesn't support stored procedures.
Member 10953820 wrote: how do you create a stored query so that is is displayed in the table of contents with related tables and queries?
The closest concept that Access supports that fits your description is a View. Creating a View using SQL in Access is no different than any other database engine. You build a SQL query string and execute it on the database just like any other SELECT query, only the query you're executing is going to start with CREATE VIEW, not SELECT. CREATE VIEW documentation[^]
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