Removing Blank Row In DataGrid Control
May 25, 2010
Is there a possiblity by any chance that a blank row in datagrid will be remove? Let's say the datagrid has this kind of info :
Column 1 | Column 2 | Column 3
User 1 NY 290-5542
Null Null Null
User 2 CA 350-5555
Lets assume that row 2 has a data and I inputed the data in row 3, however I change my mind I deleted the data in row 2 and that will leave row 2 blank. Is there a method where I can remove the row 2. The first thing come up on my mind was use a timer wherein it runs all the time.
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Sep 5, 2011
I have a multiline textbox where I sometimes get the first and last line of data that is blank.
This is my code that populates the textbox:
txtOutput.Lines = lines.ToArray How can I remove these blank rows?
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Nov 20, 2011
I think we can just draw an image that resemble the grid using this article : drawing in a datagridview Currently creating a way to make the image drawn in tile mode. Each time I develop a datacentric application using VB.NET regardless of how much the data displayed in the datagrid, I always want the grid to display full row of empty data, not just blank panel. Can we achieve this using VB.NET design time property? And also, we must not trigger the display of vertical scrollbar this way..
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Jul 22, 2009
I have on my form two datagridviews that correspond to the same table. They are both databound. They have been created automatically through dragging them from the datasources windows.One is datagridview and the other datagridview1. When ever I navigate through a datagrid the corresponding row on the other grid changes as well. I do not want this. Also I want to be able to fill and use each datagrid indepentent from each other. To fill a datagridview on load I use this code
Me.AllServicesTableAdapter.workstation(Me.Database2DataSet.AllServices)This code does not let me choose which datagrid to fill.
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Oct 27, 2009
Dont know what happened but on every form whichever control is related with an image in the resource is not displaying image. I mean the background image field in every control is blank...
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Dec 1, 2010
is there a way to remove all the tabs on a page so that i can just bring back the one i want? this is for VB 2008 by the way.
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Feb 22, 2010
Can't get the report viewer to do anything at runtime.After watching the tutorial on MSDN, it seemed simple.But I can't reproduce it. The data configuration is straightforward and no errors occur. Dropped back to putting something static on the designer like lines, backcolor and textboxes. They disappear too. The runtime control is active, just blank
<a href="http://s128.photobucket.com/albums/p195/stevedelegard/?action=view¤t=BlankViewer.jpg" target="_blank"><img src="http://i128.photobucket.com/albums/p195/stevedelegard/BlankViewer.jpg" border="0" alt="BlankViewer"></a>
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Sep 28, 2009
I first noticed this problem using C#, but I thought at that time it was something that did not happen in VB, so I posted a similar question in the C# forums. I never saw it happen before, but it seems it does happen in VB too, so I decided to post the question again here in the hope that VB at least has something that helps me..The problem is that I have many (around 30) instances of a custom control on a Form. The custom control is just a class inheriting from Panel with some new properties. I decided to create two BackgroundColor properties (1 and 2) to allow for gradient backgrounds. I'm not sure if this matters, but I simply left the second BackgroundColor property empty (never initialized it), because I was not using it yet.After placing around 30 instances no my form, all in different levels of nesting in different FlowLayoutPanels (took me an hour at least to get everything right), I tested it out and decided it looked ok, and it didn't need a gradient background color after all.So, I went in the custom control code and simply deleted the second BackgroundColor property.The result was 30 errors in the form's Designer.vb file. It seems each control was still trying to set the property (to Color.Empty), but obviously could not find it.I could no longer access the form's design view, except if I click the 'ignore' button and lose all the controls.
Is there no way I can 'safely' remove a property from a control that is already on a form, so that the designer file updates itself accordingly and no longer tries to set the removed property?It seems foolish that I have to remove the 30 errors (actually 120, because I still need to remove 3 more properties) manually from the designer file, when I know the editor is perfectly capable of finding all references to some name and for example renaming them (the context menu Rename function), so why not delete them?I am sure I'm simply missing something basic here that I somehow never learned and never needed before in 2 or 3 years of using VB.NET.If not, do I really have to remove 120 lines manually, each hidden deep in the designer code in different lines?!I know I could simply remove all controls and re-add them, that would get rid of the errors, but it will take me forever to set them up again correctly, including the events etc..
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Feb 19, 2009
I first noticed this problem using C#, but I thought at that time it was something that did not happen in VB, so I posted a similar question in the C# forums. I never saw it happen before, but it seems it does happen in VB too, so I decided to post the question again here in the hope that VB at least has something that helps me...
The problem is that I have many (around 30) instances of a custom control on a Form. The custom control is just a class inheriting from Panel with some new properties. I decided to create two BackgroundColor properties (1 and 2) to allow for gradient backgrounds. I'm not sure if this matters, but I simply left the second BackgroundColor property empty (never initialized it), because I was not using it yet.
After placing around 30 instances no my form, all in different levels of nesting in different FlowLayoutPanels (took me an hour at least to get everything right), I tested it out and decided it looked ok, and it didn't need a gradient background color after all.
So, I went in the custom control code and simply deleted the second BackgroundColor property.The result was 30 errors in the form's Designer.vb file. It seems each control was still trying to set the property (to Color.Empty), but obviously could not find it.I could no longer access the form's design view, except if I click the 'ignore' button and lose all the controls.
Is there no way I can 'safely' remove a property from a control that is already on a form, so that the designer file updates itself accordingly and no longer tries to set the removed property?It seems foolish that I have to remove the 30 errors (actually 120, because I still need to remove 3 more properties) manually from the designer file, when I know the editor is perfectly capable of finding all references to some name and for example renaming them (the context menu Rename function), so why not delete them?
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Nov 6, 2011
I'm self-taught in VB.net, having been a VB6 developer for years. I'm now out of the field but I'm making a forms app that I need for my new business. I am using VB2008 Express, and I'll upgrade to later versions when necessary. Because I am self-taught I mostly work from examples and there's a lot about .NET I don't understand.
SITUATION:I've built a Usercontrol. (A custom datetimepicker which I call "datebox"). Then in my application project, I add it to the toolox, then plunk it on a form. It works great so I use it many times in my project, each time with a various properties. No problem so far.
[Code]...
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Nov 19, 2009
I have a application with a tabcontrol. I dynamically open new tabs on which there is a custom control which is made of a graph and a datagridview with data. I fill this from a csv file. when I open few tabs like this my application memory goes over 120 MB. When I remove the tab I call the dispose on the custom control and a dispose for the tab. But the memory stays where it was (120+MB). It goes down only if I minimize the program. And when I show it again its around 10MB.
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Mar 16, 2012
I have added controls to the form using a control array.. However, when I re-run it they stay and more appear. How do I get rid of the first set?
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Jul 16, 2011
Im doing a mini project and i need to display an image in picture box control when a cell clicked in datagrid view control .the image is linked through the database ms access and im using vb.net frame work.
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Nov 2, 2011
Everywhere in this picture you see a blank item, or empty space, a control has failed to draw of something. In this case they are all textboxes.
picture:
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Jul 8, 2009
1. when i pick a value from a combo in next col of data grid which also have a combo should populate conditionally.
2.when i edit the cell having combo previous selected value is overwritten by first value of combo it should be if i select any value from combo but should not over written default as i click the cell. (edit mode is on click)
3.by pressing enter key cursor should jump to next cell in same row . means navigation should horizontally but should jump to first cell of next row if cell is last cell
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Sep 25, 2009
How can I basically lock a default property so the user cannot edit it? For example, if I wanted to lock the BackColor property, how can I make it so the end user of the control can't edit it?
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Mar 11, 2010
Is there a way to "unload" a file from the Adobe PDF control so that it is blank, like it is before you load any file? I tried Me.AxAcroPDF1.LoadFile(Nothing) but that doesn't work.
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May 20, 2010
how to add text box control in datagrid.i have 5 column in a datagrid and i would like to put a textbox each column..
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May 24, 2011
I am trying to add datagridview control in my custom control but i failed.I started creating new project[windows custom control library], added datagridview control on it and also added a property naming "DGVMain" which refers to datagridview control.I compiled it.
While testing i find its properties like visible and other working but when i click on columns property it doesn't work. i.e i cannot add/edit columns into the datagridview of my custom control.
Did i miss any steps or do i need to add some more actions?
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Oct 5, 2011
I need to disable an <asp:HyperLink> in each of my rows based on a certain condition when the page loads.
For i As Integer = 0 To CourseData.Tables(0).Rows.Count - 1
If CourseData.Tables(0).Rows(i)("completedyn") = "yes" Then
CourseData.Tables(0).Rows(i)("completedyn") = "Complete"
[Code].....
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Feb 14, 2010
I have 2 button in ASP.net, when i pressed button1 my div innerhtml changed to some value. and when I press the button2 my datagrid will display in the same div.
how can i display the datagrid inside the div at runtime.
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Sep 13, 2011
[code]i want some help on how to use the datagridview control to perfom tasks that i usually used to perfom using a datagrid control.i've put tha datagrid version of the code above. If you think it you can achieve it
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Sep 8, 2011
code to print a datagrid. I know how to print a datagrid as an ordinary Control (.PrintVisual(myGrid,"My print job"). However I want to print all rows and/or collumns even if they are not showing in the dataGrid window. .PrintVisual() just prints data that fits in the dataGrid window. I want to print all data. I don't seem to be lucky on the net.
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Sep 29, 2009
I am assigning a 'ds' dataset to datagrid.In addition to that I want to add new column with check boxes.That new column will be first column of datagrid. Currently I am using below code,
DataGrid1.DataSource = dsResult.Tables("Result")
Result table has 4 column....in addtion to that i want to column "Selection" with check boxes
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Apr 9, 2012
I have a chart control and datagrid in the same page.
I want in a single button click, to populate them both using a datareader.
I have this code:
dg.datasource=reader
dg.databind()
Chart1.Series("series1").Points.DataBind(
[Code].....
The problem is that only one of them is populated (the first databind in the code) and the other databind isn't working.
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Sep 12, 2011
I have the following repeater
<asp:Repeater id="weatherFeed" Runat="server"><ItemTemplate>
<asp:LinkButton runat="server" id="PickInfo" onClick="Selection_PickInfo">
<img src="images/mapPin.png" title="<%#Container.DataItem("city")%>" />
</asp:LinkButton>
</ItemTemplate></asp:Repeater>
I'd like to call my function "Selection_PickInfo" using the Link buttons created, but I'm having the issue of not being able to actually pull information from these links.
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Jun 16, 2009
I have create a table called Employee and tried to create a link from DataGrid (in ASP .NET ) control to the datasource. I have created and added the connections tring as all using the wizard. When I need to check generate insert, update, delete statements and pessimistic concurrency the check boxes displayed "disabled".
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Aug 1, 2009
I need a source code for filling SQL Table rows in a datagrid control using MFC programming in VC++. [url]...
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Aug 1, 2009
I need a source code for filling SQL Table rows in a datagrid control using MFC programming in VC++.
[URL]
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Mar 11, 2010
Here is the code in question:
filePath = "..authors.xml"
dsAuthors.ReadXml(filePath)
With DataGrid1
.DataSource = dsAuthors
.DataMember = "authors"
End With
However, it will not allow me to reference .DataMember, it keeps popping up with the error text "'DataMember' is not a member of 'System.Windows.Forms.DataGrid'". What can I do to resolve this error? Or how else can I read into the DataGrid?
Note: I have the most recent Framework installed with Service Pack 1
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