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Needs Solutions for these questions - DataBoundGrid

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15023 Jun 10,2004 05:44 AM UTC Jun 14,2004 02:18 AM UTC WinForms 16
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Tags: GridControl
Satish
Asked On June 10, 2004 05:44 AM UTC

Hi Clay, Please answer to the below question. 1. We have description field in the grid which uses, RichText box. For each row, there will be drop down list arrow. But I do not want to display for each row down list arrow. My requirement is I need to showup the RichText Box as soon as a single character is typed into a description field, or when the edit function key is pressed i.e. Press F3). 2. How do we change the key in the richtext box. Example. currently the key is used to allow a description to go to acorss multiple lines. But we’d prefer that the key close richtext box instead of clicking on ''OK'' button. Where a description should be broken up over more than one line, we could allow a different keystroke as etc. How do we implement this? Thanks Satish

Administrator [Syncfusion]
Replied On June 10, 2004 07:58 AM UTC

Here is a KB that has code for a in-place editable richtext cell. Maybe this will serve your needs better than the cell that requires the dropdown. http://www.syncfusion.com/Support/article.aspx?id=10495

Satish
Replied On June 10, 2004 08:41 AM UTC

Hi Clay, This is simply great. thanks sending me the link. But this is unable to run in my machine. Please find the attached error. Thanks Satish >Here is a KB that has code for a in-place editable richtext cell. Maybe this will serve your needs better than the cell that requires the dropdown. > >http://www.syncfusion.com/Support/article.aspx?id=10495 RichTextError_1921.zip

Satish
Replied On June 10, 2004 08:56 AM UTC

Hi Clay, I could able to solve previous problem. I ran into another problem. Please find the attached one. Why all the richtext is showing exception??? I cannot use the arrow keys to move around the text? Thanks Satish >Hi Clay, >This is simply great. thanks sending me the link. >But this is unable to run in my machine. >Please find the attached error. >Thanks >Satish > > > >>Here is a KB that has code for a in-place editable richtext cell. Maybe this will serve your needs better than the cell that requires the dropdown. >> >>http://www.syncfusion.com/Support/article.aspx?id=10495 > >RichTextError_1921.zip > > ExceptionError_2158.zip

Administrator [Syncfusion]
Replied On June 10, 2004 09:06 AM UTC

Did you make any changes to th esample? What version of the our libraries are you using? The sample runs fine for me using 2.0.5.1. The red boxes indicate that an exception is being thrown during the painting of the cell. You should check the richtext that you are trying to display to see if it is valid.

Satish
Replied On June 10, 2004 09:15 AM UTC

Hi Clay, No I didn''t made any changes to the sample application. I am using 2.0.5.1 with 2003 .net version. I checked this in two machine, but the results are same. Please suggest any other alternatives for this. thanks Satish >Did you make any changes to th esample? What version of the our libraries are you using? > >The sample runs fine for me using 2.0.5.1. > >The red boxes indicate that an exception is being thrown during the painting of the cell. You should check the richtext that you are trying to display to see if it is valid.

Administrator [Syncfusion]
Replied On June 10, 2004 10:59 AM UTC

The sample downloads and runs fine here (on several systems). What operation system are you using?

Satish
Replied On June 11, 2004 01:08 AM UTC

I am using win2K. Thanks Satish >The sample downloads and runs fine here (on several systems). > >What operation system are you using?

Administrator [Syncfusion]
Replied On June 11, 2004 05:56 AM UTC

I see the problem on Win2K. In the renderer class constructor, there is a line: this.Model.ButtonBarSize = new Size(0,0); change it to this.Model.ButtonBarSize = new Size(1,1);

Administrator [Syncfusion]
Replied On June 11, 2004 08:34 AM UTC

To handle the arrow keys within the richtextbox while it is active, you need to add some code to OnKeyDown in the renderer. Here is an updated sample. RichTextInPlaceCellContol_7936.zip

Satish
Replied On June 11, 2004 08:41 AM UTC

Hi Clay, Thanks for your mail. Great support and its worked. Sorry. I have some more requirements like 1. I need to use arrow''s in the richtext box, which is currenlty not possible. 2. When i select something and click on delete, whole content in the richtext box will get deleted. But I need to delete only the text which is selected. 3. I think third question is familiar to you that is the Autosize. I want auto size rather than the scorll bar. Thanks Satish >I see the problem on Win2K. > >In the renderer class constructor, there is a line: > >this.Model.ButtonBarSize = new Size(0,0); > >change it to > >this.Model.ButtonBarSize = new Size(1,1); >

Administrator [Syncfusion]
Replied On June 11, 2004 08:54 AM UTC

Did you try 1 & 2 in the sample I just posted in the thread?. When the RichText cell is actively being edited 1 & 2 work as expected for me in this sample. I have no solution for 3.

Satish
Replied On June 11, 2004 09:03 AM UTC

Clay, Too many Thanks. Everythning worked except 3point. I will try or wait for your early respone in near future. Thanks Satish >Did you try 1 & 2 in the sample I just posted in the thread?. > >When the RichText cell is actively being edited 1 & 2 work as expected for me in this sample. > >I have no solution for 3.

Administrator [Syncfusion]
Replied On June 11, 2004 10:03 AM UTC

There will be no full solution for 3 as the Win32 RichText control does not have any autosizing API''s exposed. So you will have to implement special solutions based on what you want. Here is one attempt (its not perfect) to allow sizing of richtext using grid.Model.RowHeights.ResizeToFit. It does not try to support colwidth sizing. You would add this override to the cell model class.
private RichTextBox rtb = new RichTextBox();
public override Size CalculatePreferredCellSize(Graphics g, int rowIndex, int colIndex, GridStyleInfo style, GridQueryBounds queryBounds)
{
	Size clientSize =  base.CalculatePreferredCellSize (g, rowIndex, colIndex, style, queryBounds);
	if(style.CellValue != null)
	{	
		rtb.Rtf = style.CellValue.ToString();
		int height = 0;
		int start = rtb.TextLength;
		rtb.SelectionLength = 0;
		int line = rtb.GetLineFromCharIndex(start);
		while(start >= 0 && line == rtb.GetLineFromCharIndex(start))
		{
			height = Math.Max(height, rtb.GetPositionFromCharIndex(start).Y);// + rtb.SelectionFont.Height + 1);
			start -= 1;
		}
		clientSize = new Size(clientSize.Width, height);
		return clientSize;
}

Administrator [Syncfusion]
Replied On June 11, 2004 10:12 AM UTC

Instead of looping in the above snippet, you can just use the last character.
if(style.CellValue != null)
{	
	rtb.Rtf = style.CellValue.ToString();
	int height = 0;
	int start = rtb.TextLength;
	height = Math.Max(height, rtb.GetPositionFromCharIndex(start).Y);
	clientSize =  new Size(clientSize.Width, height);
}

Administrator [Syncfusion]
Replied On June 13, 2004 09:18 PM UTC

Here is a new sample that includes some support for sizing rowheights. RichTextInPlaceCellContol_3502.zip

Satish
Replied On June 14, 2004 02:18 AM UTC

Hi Clay, Great Support. Thanks For all your support. Thanks Satish >Here is a new sample that includes some support for sizing rowheights. > >RichTextInPlaceCellContol_3502.zip > >

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