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Datagrid Checkbox is not getting binded to dataset/ access database

jeweladdict2-Jan-09 12:28

2-Jan-09 12:28

I have followed another tutorial on adding checkboxes to datagrids and have gotten it to show up. The problem is that I cannot get the checkbox column to bind to my dataset column. I alway see gray checkboxes when I run. All of the other columns are binding correctly. Anyone know what I am doing wrong?

Here is the code

            DataGridTableStyle tableStyle = new DataGridTableStyle();

//specify the table from dataset (required step)
tableStyle.MappingName = "Invoice";

//STEP 2: Create a string column and add it to the tablestyle
DataGridColumnStyle DateColumn = new DataGridTextBoxColumn();
DateColumn.MappingName = "Date"; //from dataset table
DateColumn.HeaderText = "Date";
DateColumn.Width = 200;
tableStyle.GridColumnStyles.Add(DateColumn);

DataGridColumnStyle InvoiceNumberColumn = new DataGridTextBoxColumn();
InvoiceNumberColumn.MappingName = "InvoiceNumber"; //from dataset table
InvoiceNumberColumn.HeaderText = "Invoice Number";
InvoiceNumberColumn.Width = 200;
tableStyle.GridColumnStyles.Add(InvoiceNumberColumn);

DataGridColumnStyle RackNumberColumn = new DataGridTextBoxColumn();
RackNumberColumn.MappingName = "RackNumber"; //from dataset table
RackNumberColumn.HeaderText = "Rack Number";
RackNumberColumn.Width = 100;
tableStyle.GridColumnStyles.Add(RackNumberColumn);

/*
DataGridColumnStyle PhoneNumberColumn = new DataGridTextBoxColumn();
PhoneNumberColumn.MappingName = "PhoneNumber"; //from dataset table
PhoneNumberColumn.HeaderText = "Phone Number";
PhoneNumberColumn.Width = 200;
tableStyle.GridColumnStyles.Add(PhoneNumberColumn);
*/

//STEP 4: Add the checkbox
DataGridColumnStyle PaidColumn = new DataGridBoolColumn();
PaidColumn.MappingName = "Paid";
PaidColumn.HeaderText = "Paid";
((DataGridBoolColumn)PaidColumn).AllowNull = false;
//PaidColumn.TrueValue=true;
//PaidColumn.FalseValue=false;
PaidColumn.Width = 100;
tableStyle.GridColumnStyles.Add(PaidColumn);

DataGridColumnStyle PickedUpColumn = new DataGridBoolColumn();
PickedUpColumn.MappingName = "PickedUp";
PickedUpColumn.HeaderText = "Picked Up";
((DataGridBoolColumn)PickedUpColumn).AllowNull = false;
PickedUpColumn.Width = 100;
tableStyle.GridColumnStyles.Add(PickedUpColumn);

//STEP 5: Add the tablestyle to your datagrid's tablestlye collection
myDataGrid.TableStyles.Add(tableStyle);

[IMG]http://i40.tinypic.com/34fo65j.jpg[/IMG]
Here is a snapshot of my APP. The datagrid on the lower portion shows the unaltered dataset, whereas the top datagrid is the one I am using the datagridstyle for

Re: Datagrid Checkbox is not getting binded to dataset/ access database

jeweladdict2-Jan-09 12:40

jeweladdict

2-Jan-09 12:40

Also, I am getting:

'System.Windows.Forms.DataGridColumnStyle' does not contain a definition for 'TrueValue'
'System.Windows.Forms.DataGridColumnStyle' does not contain a definition for 'FalseValue'

Using dotnet 1.1. Anyone know how to solve this?

Re: Datagrid Checkbox is not getting binded to dataset/ access database

jeweladdict2-Jan-09 12:53

jeweladdict

2-Jan-09 12:53

figured it out, i was not using a bool to bring in the database, rather a string

close the runing process

abu rakan2-Jan-09 11:44

abu rakan

2-Jan-09 11:44

how i can search for all the running process
and close it

Re: close the runing process

Mark Salsbery2-Jan-09 11:55

Mark Salsbery

2-Jan-09 11:55

And afterwards the operating system will still do something how?

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Re: close the runing process

User 66582-Jan-09 11:57

User 6658

2-Jan-09 11:57

You already asked it 23 hours ago, stop it.

modified 12-Sep-18 21:01pm.

Re: close the runing process

Dave Kreskowiak2-Jan-09 19:52

Dave Kreskowiak

2-Jan-09 19:52

You can't do this either. Since restarting those processes later will affect how the system works. You can't shut them down and then restart them and expect the system to behave exactly as you did before the shutdown.

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Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007, 2008

help......................

abu rakan2-Jan-09 11:39

abu rakan

2-Jan-09 11:39

how can hide my exe from the task manager

Re: help......................

Mark Salsbery2-Jan-09 11:58

Mark Salsbery

2-Jan-09 11:58

Maybe try Google[^]

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Re: help......................

CPallini3-Jan-09 2:54

CPallini

3-Jan-09 2:54

I run Google, sir, but still task manager shows my appz (don't show Google...), plz plz help (urgent).
Big Grin | :-D

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke

[My articles]

Re: help......................

Eddy Vluggen3-Jan-09 23:19

Eddy Vluggen

3-Jan-09 23:19

Don't just "run" Google, but use it as a tool to get a list of examples.

--edit--
Didn't read the sender on the post, assumed the answer came from TS <grin>

My bad!

I are troll Smile | :)

Re: help......................

Dave Kreskowiak2-Jan-09 19:51

Dave Kreskowiak

2-Jan-09 19:51

You can't.

A guide to posting questions on CodeProject[^]

Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007, 2008

Re: help......................

#realJSOP2-Jan-09 23:58

#realJSOP

2-Jan-09 23:58

There's a utility that comes with Windows called "HideMyExe.exe".

"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
-----
"...the staggering layers of obscenity in your statement make it a work of art on so many levels." - Jason Jystad, 10/26/2001

sound in c#

BESHOY MARKO2-Jan-09 10:50

BESHOY MARKO

2-Jan-09 10:50

Hi all,
i tried to play two sounds in the same time by using this code

System.Media.SoundPlayer sw = new System.Media.SoundPlayer("-------.wav");
     sw.PlayLooping();
     System.Media.SoundPlayer s = new System.Media.SoundPlayer("----------.wav");
     s.PlayLopping();

but the first sound stoped and the second was playing

can any body help me to play two sounds in the same time ?
thx 4 all

Re: sound in c#

Kristian Sixhøj2-Jan-09 10:53

Kristian Sixhøj

2-Jan-09 10:53

The SoundPlayer.Play method should do it.

Kristian Sixhoej

Re: sound in c#

BESHOY MARKO2-Jan-09 11:06

BESHOY MARKO

2-Jan-09 11:06

sorry ,
but it makes the second sound only play

Re: sound in c#

Kristian Sixhøj2-Jan-09 23:58

Kristian Sixhøj

2-Jan-09 23:58

It seems like SoundPlayer can't do this.
DirectX should be able to do the job, but I'm not sure, and I don't know anything about using DirectX and C# together.

Kristian Sixhoej

Re: sound in c#

CPallini3-Jan-09 2:58

CPallini

3-Jan-09 2:58

There are articles, here at CP about managed DirectX[^].

Retrieving data from the last line in a text file

soulg772-Jan-09 7:35

soulg77

2-Jan-09 7:35

basically, what I'm trying to do is just acquire a piece of data from the last line in a text file.

Not sure if it's enough but, this is the code I'm using as a base to build from.

public double LastATMBalance()
{
    double lastatmbal;

    foreach (DailyBalance dailybal in dailybalance)
    {
        lastatmbal = Convert.ToDouble(dailybal.ToString());
    }
    return lastatmbal;
}

and this is the format of the text file i'm using.

3/27/2000,4800
3/29/2000,7750
3/30/2000,6990
3/31/2000,5000
4/6/2000,5000
11/12/2004,5000
6/9/2004,9990
2/20/2006,5000
4/1/2006,5000
4/9/2006,5000

not sure anymore info is needed.
Thanks for any assistance provided.

Re: Retrieving data from the last line in a text file

Luc Pattyn2-Jan-09 8:04

Luc Pattyn

2-Jan-09 8:04

Hi,

I don't see a question, so what is your problem?

remarks:
1. your code won't compile since lastatmbal is not guaranteed to get a value.
2. why convert all the DailyBalance objects when the only one of interest is the last one?

Smile | :)

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Love, happiness and fewer bugs for 2009!

Re: Retrieving data from the last line in a text file

#realJSOP2-Jan-09 8:25

#realJSOP

2-Jan-09 8:25

what is dailybalance? Is it a generic list? An array?

If it's a generic list, you could use dailybalance.Last().

If it's an Array, you could use dailybalance[dailybalance.Length - 1]

passing a value from one method to another method without calling the method, infact no relation exists between two methods, just value is needed.

suni_dotnet2-Jan-09 6:15

suni_dotnet

2-Jan-09 6:15

Hi,
i have a senario, 3 buttons and 2 gridviews.The buttons(three buttons) related to the information in first Gridview is clicked, it populates the second gridview with the corresponding table in database. Now my_method needs to know which button is clicked, so that it uses stored procedure to do some database operations on that particular table.
Is there any way to get the value from button_clicked() to my_method, without calling my_method. The value will be used only when my_method() is called by some other operation.
Thanks

Re: passing a value from one method to another method without calling the method, infact no relation exists between two methods, just value is needed.

Colin Angus Mackay2-Jan-09 7:07

Colin Angus Mackay

2-Jan-09 7:07

You could store the information in a field on the class in which the method resides.

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my senario

suni_dotnet2-Jan-09 8:41

suni_dotnet

2-Jan-09 8:41

Hi,
class
{
protected void Button1_Click(object sender, EventArgs e)
{
resbutton = "abcMenu";
.....
}
protected void Button2_Click(object sender, EventArgs e)
{
resbutton = "defMenu";
.....
}
protected void Button3_Click(object sender, EventArgs e)
{
resbutton = "jklMenu";
.....
}
protected void Button4_Click(object sender, EventArgs e)
{
resbutton; // here i need the value of resbutton for different above button_click events
.....
}
}
fields are not working properly. can u provide me some related code.
Thanks

Re: my senario

Colin Angus Mackay2-Jan-09 12:42

Colin Angus Mackay

2-Jan-09 12:42

suni_dotnet wrote:
fields are not working properly.

I don't see any evidence from this code that you have a field at all.

Here is your code re-written:

class MyForm
{ 
  private string resbutton; // This is the field
 
  protected void Button1_Click(object sender, EventArgs e)
  {
    resbutton = "abcMenu";
    // .....
  }
 
  protected void Button2_Click(object sender, EventArgs e)
  {
    resbutton = "defMenu";
    // .....
  }
 
  protected void Button3_Click(object sender, EventArgs e)
  {
    resbutton = "jklMenu";
    // .....
  }
 
  protected void Button4_Click(object sender, EventArgs e)
  {
    switch(resbutton)
    {
      case "abcMenu":
        // Do stuff based on Button1 being pressed
        break;
      case "defMenu":
        // Do stuff based on Button2 being pressed
        break;
      case "jklMenu":
        // Do stuff based on Button3 being pressed
        break;
      default:
        // Do suff based on none of the buttons being pressed
        break;
    }
  }
}

Of course there may be better ways of doing this, but since we don't know what your actual overall goal is we can't say. Christian's suggestion of using delegates has merit also.

I'd also suggest using something other than a string for the field. Creating a specific enum that enumerates each type of button would be good.

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