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In the Field Explorer, right click and select Database Expert... Expand the Project Data and then .NET Objects nodes. You have a complete list of bindable objects. Select your object and click the >> button, then click OK. This now appears in the Database Fields list. You can now drag and drop your items from the Database Fields list into the report.
Deja View - the feeling that you've seen this post before.
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Special thanks for answer . That is what i want .
DMASTER
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Not a problem. I'm glad I could help.
Deja View - the feeling that you've seen this post before.
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Hi All!!.I would like to know what is FDML and its role in C# language..I googled it...i referred something about FDML....but it seems to be a Latin and Greek to me...im awaiting for your reply friends....
Hi,Im Razana
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Your guess is as good as mine:
Acronym Definition
FDML Farleden Dynamic Markup Language
FDML Field Data Markup Language
FDML FileMaker Dynamic Markup Language
FDML Financial Data Management Ltd
FDML Fliesler, Dubb, Meyer & Lovejoy LLP (IP law firm)
FDML Form Document Markup Language
FDML Forms Data Markup Language
FDML Forms Definition Markup Language
FDML Fourier Domain Mode Locking
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visit this link
http://weblogs.asp.net/rosherove/archive/2003/10/15/31987.aspx
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I have a dropdown which is being populated from a dataset.
I then need to run another query what only retrieves one record, it looks at the same tables as the first query. I save this into a variable.
I now need to take the value which I get in my secord query and find it in the first query then make the dropdown have that value selected.
eg. I have a list of dates, I need to find a date in the list and then have this value defaulted.
I don't know how to default it, can anyone help as I am still new to C#
J9
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Have a look at
ComboBox.SelectedItem=ComboBox.FindStringExact(theStringValue);
Luc Pattyn [Forum Guidelines] [My Articles]
this weeks tips:
- make Visual display line numbers: Tools/Options/TextEditor/AllLanguages/General
- show exceptions with ToString() to see all information
- before you ask a question here, search CodeProject, then Google
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I am using a dropdown list. I have tried the FindByValue and it isn't helping either
J9
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Hi,
How can I retreive RAM size of my computer through c# program.
Thanks in Advance
Phanindra...
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Hi,
I use P/Invoke and call GlobalMemoryStatus() from kernel32.dll to get that.
It returns a struct, the dwTotalPhys field is what you want.
Luc Pattyn [Forum Guidelines] [My Articles]
this weeks tips:
- make Visual display line numbers: Tools/Options/TextEditor/AllLanguages/General
- show exceptions with ToString() to see all information
- before you ask a question here, search CodeProject, then Google
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The GlobalMemoryStatus function retrieves information about current available memory. The function returns information about both physical and virtual memory. This function supersedes the GetFreeSpace function.
P.S. For these kind of function u can use API-Guide a good software
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How can I check whether the file is ReadOnly or not.
Saqib
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Use FileInfo class and check FileInfoObject.Attributes . This will return FileAttributes enum. You can find out Readonly inside this
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string FilePath = @"C:\TEST.txt";
System.IO.FileInfo Info = new System.IO.FileInfo(FilePath);
if (Info.IsReadOnly)
{
Console.WriteLine("FILE IS READ-ONLY");
}
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according to me
internal Access is limited to the current assembly.
protected internal Access is limited to the current assembly or types derived from the containing class.
but i am ot being able to implement it in the programs.
somebody please provide any example that elaborates how to use these things.
Sonia Gupta
Soniagupta1@yahoo.co.in
Yahoo messengerId-soniagupta1
Love is Friendship and Friendship is Love....
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Sonia Gupta wrote: internal Access is limited to the current assembly.
Correct
Sonia Gupta wrote: somebody please provide any example that elaborates how to use these things.
Assume you have two class file, class1 and class2. Your class1 looks like
internal class class1
{
}
class2 looks like
class class2
{
public class2()
{
class1 c1 = new class1();
}
}
This is how internal works. You won't be able to get reference to internal class from other assembly. Try making the internal to public to get access.
Sonia Gupta wrote: protected internal Access is limited to the current assembly or types derived from the containing class.
Protected keyword is mostly used in internal classes ( class inside other one ). It can be accessed by containing type and any type that inherits containing type. So protected internal would be protected level + internal level. I am not sure regarding this, check with online documentations.
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N a v a n e e t h wrote: class class2{ public class2() { class1 c1 = new class1(); //Will produce error }}
will produce an error at runtime or at design time.
i tried it, neighter it created error at runtime nor at compile time
Sonia Gupta
Soniagupta1@yahoo.co.in
Yahoo messengerId-soniagupta1
Love is Friendship and Friendship is Love....
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Sonia Gupta wrote: i tried it, neighter it created error at runtime nor at compile time
Make sure classes are in different assembly. When you compile you will get is inaccessible due to its protection level
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Hi
Protected is like a private member for a class, but it's visible in derived classes also.
internal is like public but only inside the current assembly.
so.
if you need a property that can be accessed from other classes inside your assembly and a derived class from another assembly should be able to provide a value for it, you make it
protected internal, which means public inside the current assembly and private for all the other asemblies.
let's say you have 2 assemblies the BaseClassLib and the ConsumerLib
now in the BaseClassLib you have 2 classes called ConsumerClass and ProviderClass
<br />
public class ConsumerClass<br />
{<br />
public ConsumerClass(ProviderClass Provider)<br />
{<br />
Console.WriteLine(Provider.getProtIntVal());<br />
}<br />
}<br />
public abstract class ProviderClass<br />
{<br />
protected internal abstract string getProtIntVal();<br />
}<br />
in the ConsumerLib you have a Reference to the ProviderLib and you have 2 classes called StartupClass and DerivedProviderClass
<br />
public class DerivedProviderClass:ProviderClass<br />
{<br />
public DerivedProviderClass()<br />
{<br />
}<br />
protected override string getProtIntVal()<br />
{<br />
return "this is a string";<br />
}<br />
}<br />
public class StartupClass<br />
{<br />
[STAThread]<br />
public static void Main(params string[] args)<br />
{<br />
DerivedProviderClass c = new DerivedProviderClass();<br />
console.WriteLine(c.getProtIntVal());<br />
ConsumerClass cons = new ConsumerClass(c);<br />
}<br />
}<br />
hope this helps
greets
m@u
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Create these classes inside a ClassLibrary
<br />
<br />
using System;<br />
using System.Collections.Generic;<br />
using System.Text;<br />
<br />
namespace InternalAssembly<br />
{<br />
public class BasicTaskClass<br />
{<br />
string str=null;<br />
<br />
<br />
protected virtual void DoTask()<br />
{<br />
return;<br />
}<br />
<br />
internal void DoJob()<br />
{<br />
this.DoTask();<br />
}<br />
<br />
protected internal string Data<br />
{<br />
get<br />
{<br />
return this.str;<br />
}<br />
set<br />
{<br />
this.str = value;<br />
}<br />
}<br />
<br />
}<br />
<br />
<br />
public sealed class DoTaskClass<br />
{<br />
public string Go(string str, BasicTaskClass tsk)<br />
{<br />
tsk.Data = str;<br />
tsk.DoJob();<br />
return tsk.Data;<br />
}<br />
<br />
}<br />
<br />
}<br />
and create these in the ConsoleApplication and then add ClassLibrary you made before as a reference
</code>
using System;
using System.Collections.Generic;
using System.Text;
namespace InternalProtectedDemo
{
class UpperCaseTask:InternalAssembly.BasicTaskClass
{
protected override void DoTask()
{
this.Data=this.Data.ToUpper();
}
}
class Program
{
static void Main(string[] args)
{
InternalAssembly.DoTaskClass doTaskClass = new InternalAssembly.DoTaskClass();
InternalAssembly.BasicTaskClass basicTask = new InternalAssembly.BasicTaskClass();
basicTask.DoJob();
Console.WriteLine(doTaskClass.Go("hello", new InternalAssembly.BasicTaskClass()));
Console.WriteLine(doTaskClass.Go("hello", new UpperCaseTask()));
Console.ReadKey();
}
}
}
</code>
as you can see you cannot access to Data properties or DoTask method
without deriving from the BasicTaskClass in other assemblies.
and you can't access to DoJob method even with derivation.
these going to be very useful in large applications or expandable ones and this example is not showing this!!!
sorry nothing better than this crossed my mind
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Sonia - I answered this question for you before. Did you not understand it then?
Deja View - the feeling that you've seen this post before.
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