Tagged Questions
C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines.
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0answers
5 views
How do I remove gray/white BackColor of RichTextBox when Disabled?
I have a RichTextBox which I need to use as a Label for RichTextBox's have background selection which I need for my Windows Forms Application.
I have encountered a problem when disabling the ...
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votes
2answers
17 views
C# Windows forms application
hey i want a button in windows forms application(C#) to display a exactly 1 year past time date and hour("specially hour")....
Example:-if the date time now is 20 Aug 2013 2:15 pm so when i click on ...
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votes
1answer
12 views
HttpPostedFileBase returns Null MVC3
I'm developing a project in C# with MVC4.
Here my question:
I'm trying to convert a byte[] to HttpPostedFileBase, but it always returns Null (even if the byte[] contains data). Here the code I have:
...
2
votes
1answer
29 views
LINQ for a list of list
public class Employee
{
public string Name{get;set;}
public List<Department> Department { get; set; }
public string Company{get;set;}
}
public class ...
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0answers
14 views
Getting the queryable provider and expression from an EntitySet
Background:
I'm trying to create a LINQ extension that modifies the SQL produced by LINQ to SQL. To do this i'm using the Integrated Query Toolkit to remove some common plumbing code.
I've got this ...
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0answers
11 views
Display multiple user controls in one asp:placeholder with randomizing
I have a webform with three user controls loaded in three asp:placeholders containing questions that needs to be randomized from a set of total 20 questions(so, 20 user controls):
const string ...
0
votes
1answer
11 views
Winforms derived combobox property two way binding
I created custom ComboBox control and want to bind custom property "ActiveValue" to a DataSet. I do it in the way:
cboMyComboBox.DataBindings.Add(New System.Windows.Forms.Binding("ActiveValue", ...
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0answers
14 views
Drawing a line between two button components
so I'm trying to find a way to draw a straight line between two buttons that I have clicked on (There are multiple source->destination lines to draw). I am currently using this code.
private void ...
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votes
7answers
25 views
Oracle - not a valid month
I get a timestamp from Facebook in the below code
cust_updated_time = obj["updated_time"].ToString();//2013-08-01T02:55:31+0000
abccusttime = cust_updated_time.Substring(0, ...
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votes
2answers
11 views
how to find datakeys value while downloading from gridview
i am getting following error while clicking on download button in gridvioew
Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
my aspx code ...
1
vote
0answers
28 views
XML Parsing Error: not well-formed (c# asp.net master pages)
I've been messing around with html for a while, but couldn't find a good way to have a "template" besides using iframes or ajax pages. So I'm trying out c# asp with a master page. my site is working ...
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0answers
12 views
InvalidCastException: EF fails when inserting an entity with multiple relationships
If an entity have more than one relationships and I try to insert simultaneously data on them, EF throws InvalidCastException.
As an example, imagine these domain classes:
public class Person : ...
2
votes
1answer
22 views
print current form using CreateGraphics, but the message box is also printed
I'm printing my actived form (formMain) using CreateGraphics function as code below
Printing the Form (Visual C#)
Environment: windows 7 professional, VisuaStudio 2008
...
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votes
0answers
6 views
How to use other language with tesseract on C# Tesseract 3.02 + Emgu 2.4.9
My 'tessdate' contain:
eng.traineddata, eng.cube.bigrams, eng.cube.fold, eng.cube.lm, eng.cube.nn, eng.cube.params
eng.cube.size, eng.cube.word-freq, eng.tesseract_cube.nn
rus.traineddata, ...
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0answers
17 views
Validate ORA-01438: value larger than specified precision allowed for this column
I'm using C# with the Entity Framework Model and Oracle.
When I want to add a value then it gives me this error.
Of course I know what the problem is: When inserting or updating records, a numeric ...
