Asp.net - Gridview With Many Pages Returned Not Maintaining Scroll Position?
Mar 28, 2012
I have an issue with maintaining scroll position.I am almost positive that I have everything set correctly. I have updated my web config...
<pages maintainScrollPositionOnPostBack="true"
and everything seems to work fine UNTIL....When ever my Gridview returns a lot of pages, like more than 50, sometimes upwards of 100 or more, I show 50 records per page. The farther into the Gridview, the more the scroll position is off.So what I am saying is that for the first 20 plus pages or so, if I scroll down the page to the point where the top rows have moved off the screen and I enter Edit Mode, the correct record remains in view on Postback.But if I am over say around 30 pages into the Gridview, the further in the worse it gets, when i enter Edit Mode I have to scroll back down to the location of the record that I selected to edit.
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Jan 6, 2010
How would I leave the vertical scroll position as it is and set the horizontal scroll position all the way left if it isn't already in that position? I've been using Me.AutoScrollPosition and have come up with code that is satisfactory but I haven't been able to always leave the vertical scroll position exactly as it is and just move the horizontal scroll position to the left limit.
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Jan 17, 2010
My boss has given me an asp.net web application that was done by his former employee. Now my boss has no contact with that employee. He wants me to make some changes in that web application. I went through the application. There is no documentation present for that application . Its a huge application. It contains many directories. I think it was a team work. It has many asp pages, aspx pages, jsp pages, xml pages, css pages, etc... How to understand other person or team's website or web application that was written in asp or asp.net and vb or vb.net?
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Sep 28, 2010
Markup:
<asp:GridView ID="GridView1" runat="Server">
<Columns>
<asp:BoundField DataField="status_column" HeaderText="Status" />
[Code].....
The values stored in my database are integers, 1 - 9. Each value has an associated string value that I want displayed in my GridView. Ex: 1 = "Active"; 2 = "On Hold"; etc. How would I filter the incoming data so I can display the associated String value instead of the Integers from my table?
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May 14, 2010
How can I keep the scroll position of a text box after an update? i found this in C# but I could not find anything in VB .NET yet.[URL]...
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Oct 21, 2011
I have an ASP.NET form with multiple steps (using the Wizard control). When advancing to the next step, I want the page to start at the top, but for some reason it is maintaining the scroll position. I set the Page.MaintainScrollPositionOnPostback property to false, and I have the next button event handler set it to false also. I don't have the property set to true anywhere. But it is still maintaining the scroll position. What could be the issue here?
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Apr 1, 2010
I was wondering if there is a way to keep the same scroll position in a datagrid view as the app jumps around to various rows (driven by the user selecting different timestamps or address). After the jump happens, the horizontal slider moves all the way to the right, but I want it at the same position as before the jump (or at lease go all the way to the left).
I have tried numerous things (datatable.AcceptChanges(), etc) but haven't been able to figure it out yet.
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Oct 10, 2011
I'm looking for a simple, efficient way to get the position of the browser vertical scrollbar and save it into a session variable in an ASP page. What I'm trying to do is when the user changes a page I've the scroll position stored in a session variable so that when the user returns to the page the page will scroll to their last position.Is there a way to do this? I've seen examples of persisting the scroll position on postback but nothing yet doing exactly what I'm trying to do [code]
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Dec 28, 2011
We have a page which will diplay around 150 records at a time and for each record there is a link to input data. I want to be able to click that link on any record and have this one div with all the fields and updatepanel popup next to it.
I have found many JQuery examples of this, however none of the JQuery examples will allow me to Async-postback from the div which is very annoying. I also found examples where I place a div below each link and it pops up nicely, however this wont work because I need this to be only one div which contains the updatepanel and the associated inputs.
Do you know of a simple way to popup a div relative to the link? preferrably to the lower left of the onclick link/object.
I cant use the CSS left/top/right/bottom stuff becasue I need this to be relative to the object and not the entire page.
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Jul 19, 2009
I am now using a datagridview that uses just 1 col and 1 row, but is set such that it has a large display width to display a lot of graphics.
The horizontal scroll bar is active to help me view all the data, but the scroll bar defaults to the LHS.
How can I make it default to the RHS?Additionally, when I move the scroll bar, the displayed data seems to get corrupted - do I have to re-paint the graphics every time the scroll bar position is changed?
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Jan 6, 2010
What I am doing is I have an image in the webbrowser control that I am trying to capture and save to my computer but the image url is created dynamically and destroyed on the loading of the page (which keeps me from being able to use httpwebrequest to retrieve the image that corresponds to the page I am currently on). To get around this I am resizing my webbrowser control to the size of the image and taking a snapshot of the browser window itself.
The problem isn't with taking the snapshot... it's that when I take the snapshot it is snapping an image of the browser window prior to scrolling. I would like to figure out the scroll coordinates so I can basically write a function that will "pause" the routine and wait until the scrolling coordinates match that of where the image is located and then proceed to take the snapshot.
I have tried the .ScrollTop / .ScrollLeft values and .ScrollRectangle.Location.X/Y but I keep getting 0 as a return. Does anyone have any information on this? I've searched all over google but only find people asking the same question as me but recieving no answer.
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Oct 29, 2009
I have a windows form which contains a group of panels in a flowlayout control. Each panel has a button acrossthe top which is always visible and clicking on it expands the panel to view the other controls on it. clicking on it again shrinks the panel back to the size of the button. A simple form of menu. The flowlayout control has autoscroll enabled and as enough panels are resized (opened) they obviously are too big for the form and a scroll bar pops up.To get the most recently opened panel in the viewable area I use
FlowLayout.ScrollControlIntoView(pnECBF)
where pnECBF is the panel just resized. This works but places the panel at the bottom of the form i.e just in the visible area. I want the user to be able to see the panel AND the next menu button which is on the subsequent panel. So basically what I want is the panel into the visible area +25 pixels for the next panels menu button.
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Oct 25, 2009
I have a RichTextBox and I need to find the position of the vertical scroll bar.
Is there any way to do this without Pinvoke? If not, what is a way to do this WITH Pinvoke?
I need to return an integer value.
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Aug 30, 2009
I'm trying to make an autoscroll enabled panel that will scroll if the mouseposition.x > panel.location.y However, I cannot seem to find a panel.scroll() function. Is there a way to programable make the control scroll?
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May 11, 2011
I have a GridView in a page with paging enabled (sorting not enabled, not used). OnRowDataBound and OnPageIndexChanged events are assigned.
<asp:GridView ShowHeader="False" ID="GV1" runat="server" AutoGenerateColumns="False" OnRowDataBound="gridView_RowDataBound" DataSourceID="SqlDataSource1" GridLines="None" CellPadding="0" PageSize="25" AllowPaging="True" OnPageIndexChanging="GV1_PageIndexChanging">
Datasource is assigned just below gridview as:
[Code]...
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Jun 14, 2010
in my program were ever you click on a picturebox it draws a image, that works, but the picturebox it in a panel so that when the picturebox gets to big scroll bars appear, that works, but when i scroll down the picturebox and click it wont put a image exacly were i clicke, but if i did not scroll at all and click it works just fine.
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Mar 23, 2012
I am currently working on a VB.Net program where there are two parallel multiline text boxes like this.
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| | | |
| | | |
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I would like that when one text box is scrolled, the other is scrolled as well. I was wondering if there was a Scroll event that could trigger the change the position of the scroll bar of the two text boxes.
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Mar 19, 2009
Without using TopIndex, EnsureVisible, etc., is there a way to simply save the current scroll position of a listivew as a point, then reset the scroll position to that point after reolading the listview?
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May 9, 2012
I am using the Tabcontrol with autoscroll = True feature, when i make hidden controls visible on the tab there position is out of place, one work around for this is to set the scroll position to 0,0 by doing this...
[Code]....
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Jan 2, 2011
i want when user click on hold button of particular row then the record from the particular row is transfered to another page. if i click on the hold button of 1st row of gridview then seats=35 and booking closed =08:00:00 PM willbe trasferred to [code]and if i click on the manage button of same row then the record of that row will be transferred to [code]
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Nov 22, 2011
I have a text box and button inside a panel , and I want to show this panel right next to gridview selected row , gridview is also inside another panel , is there anyway to find out selected rows position ? This is a asp. Net page and I am using vb.net . Panel can be replaced by div
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Mar 19, 2009
This is for a mapping/plotting program.
t.panel is the main panel and it has too much content to fit in one screen so there are scroll bars. x.panel contains the horizontal scale for the data points in t.panel. I drew the scale using a bitmap and set it as x.panel's background.
Setting x.panel's horizontalscroll.value = t.panel's horizontalscroll.maximum doesn't seem to work. I think this is because x.panel's doesn't have any content that causes it to need scroll bars.
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Dec 20, 2011
I am using Stanav's PdfManipulation2.AddImageToPage(..., Pages) for iTextSharp library (v5.1.3) and was not able to add the image to specific pages: e.g. to add to only page 1 and 3 of a five pages PDF
Dim Pages() As Integer
Pages = New Integer() {1, 3}
PdfManipulation2.AddImageToPage(..., Pages)
Calling AddImageToPage() with the the optional Pages parameter will add the image to all pages though.
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Mar 19, 2009
I have a form on a .NET webserver using aspx pages with the vb code-behind pages. The form collects the entered data and then emails it, that part works fine.Right after it gets emailed, this code checks to see if the email was sent or not and then updates the landing page accordingly. I used to use just an IF THEN statement, but now that doesn't work in these new .NET pages. Here's the end of the code that I am having difficulties with:
[Code]...
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Jun 19, 2009
I have heard of setting server specs to have HTML pages parsed as PHP pages by changing the .htaccess or httpd.conf files. Is there a similar solution to have HTML pages parsed as ASPX pages?
A website I am working on does not want their PageRank to lower since their HTML pages are already indexed and used on other websites but wants to use some dynamic features of aspx pages (like include the navigation file so that changes to the nav will only have to be done in that one file).
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Aug 5, 2009
I am in the process of converting an in-house web app to a winform app for disconnected reasons and I hit the following snag.
[Code]...
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Jun 12, 2009
I need to build a program that combines many different .doc files based on which check boxes the user selects. At first I was going to use the word.document.open(file) way, but I would rather not have to open 40 different files every time the program runs. I then turned to streamreader, which works great for basic text (after I convert the file to .txt) but I can't figure out a way to maintain hyperlinks. I am now thinking that after the streamreader reads all of the data and combines it into one string, it will paste it into a word doc and somehow search for hyperlinks and make them active.
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Aug 4, 2009
My program references a specific object that is contained in a list. The references point directly to the object itself, instead of its position (index) in the list, since that might change over time as other objects are added/removed. However, occasionally this object is edited, and (behind the scenes) this sometimes involves replacing it with a newly-created object (so the code looks like ListA.item(i)=new testobject...). In which case, if my understanding is correct, all the program references to this object are no longer correct, since they point to the replaced object instead of the new one. So I'm wondering how to maintain the integrity of the references, since the list index is not permanent, nor is the object reference technically permanent. Should I create some ID number for the object, and maintain and use it for references (so the new object would get the old one's ID)?
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May 24, 2012
One of my programs uses transparency so that the form is the shape of the background image (.png). My problem is that everything works and looks fine on the computer I'm developing on (Win7) but when I run the program on my other computer (XP), instead of the transparency I get the background color (which is the same as the transparency color). Does anyone have any experience this problem?
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Aug 12, 2009
I am working on a new domain model for an application that will have order processing for items built in (well, too keep it simple for this question anyway). I have a class "VendorItem" that represents items that can be ordered. Originally the "Order" class was going to have a list of VendorItems associated with it, but I have come across problems with it so far.
Let's say that the system has been creating orders for some time just fine. One day a user comes along and decides that a vendoritem has changed price or some other detail like packaging size. I wouldn't want the previous orders to be affected by such change. At first wash I was going to make a "OrderLine" class that is basically a copy of the "VendorItem" class, but that just feels (smells?) wrong in the OO sense. Is there a better way to refactor this so I don't have copies of classes and information in the domain model?
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