Forms Data Controls :: Creating Customized Next / Previous Solution
Jan 9, 2010
I have to create a customized Next/ Previos solution, the DataPager is not flexible enough for what I want. This is what I have so far.
1. A user does a search and 100 records are returned, I have 25 records per page and so get 4 page numbers -- this is already done on search.aspx
2. The user clicks their choice (let's say its 'Post 10') and is taken to that record on details.aspx -- pretty standard stuff.
What I now need is a Next /Previous links on the details page -- so if the user clicked Post 10, on the details page will be two links, Next linking to Post 11 and Previous linking to Post 09. (i'll actually be using the post title as the text in the links not simply Next/Previous) I'm unsure about how I should begin to struture this, should I be looking at creating Temp Tables in Sql Server and step through the records or can I access the dataset from the search page and step through that?
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Aug 4, 2010
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Jan 28, 2011
[Code]....
My question is: how can i create my own parameter based upon the QueryStringParameter?
Example:
[Code]....
I now called it QueryStringGuidParameter.
The purpose of this is: I'm not sending any querystring's via the aspx?querystring other thasn aspx?guid={guid identifier}.I hope my code below explains it al little bit.
[Code]....
A soon as a page Redirects f.i. with this example
[Code]....
Instead of calling Response.Redirect i call the Redirect i created. This transforms the querystring in a session with a guid and parameter. The Redirect only sends the guid in the querystring. and the receiving page picks up the guid and translates it back into a querystring.
Purpose is you have a secure way of dealing with info sending via querystrings. Lets say in the past you could easily get other info from the page by just changing a value in the key send via a querystring. In my case lets say the user request a Customer "A" with querystring ?ID=1.
Simple change the query in the addressbar to ?ID=2 (or something else) would give him another customer. Maybe a customer he is not allowed to see. (Of course this can be prevented also in the business layer, but that's not the point.)
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Jun 13, 2010
I have an application as in the following,
[Code]....
The application works, but I would like to have 10 results per page. How easily can this be done? I don't want to use data view or grid view like most of the examples talk about, I would like to do this in the fashion that looks like what I have now, only not so many entries in a whole page.
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Jul 31, 2010
I'm gonna outline the application roughly: it's a tool, where people can upload a CSV-file, which contains their data for some crazy water-plant-biology-stuff. ;) The job of the application is (besides others) to validate their entered species. So far no problem, I've got my string-array with the correct species abbrevations, and i can parse the species names from the user-edited CSV-file.Whenever a species is found, that is not part of the reference-array its being sent to a GridView as a new row. All of the above works fine - if anything isn't explained well, just ask.
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Jul 26, 2010
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Aug 4, 2010
I have a Datalist in which i m entering values to form a shoping cart. so when a select the check box the respective value goes in into the datalist and now if user again select that checkbox and submit i cant to check that is their any previous enrty with same name because it is a unique row in the datalist.
code:
[code]....
this is creating an error if if newly added row is already in datalist...so plz find me a way to check the new row with already present row and i have also set the primary key to table also.
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Oct 26, 2010
Using vb.net/asp.net 2005.
In the gridview_RowDataBound event I am trying to find out the values from previous row but its giving me an exception. does anyone know how to do this? I need to do this because if the value is the same then I need to hide certain columns.
the line giving me an exception is this:
MyGridview.Rows(e.Row.RowIndex).Cells(0).Text <> ""
here is what I have now:
[Code]....
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Feb 27, 2011
I am using a Gridview binded to a LinqDataSource that represents a database view. The gridview paging is enabled. When navigating from page 1 to page 2, it displays the right count of rows in this page (assume pagesize is 10 and page 2 should have 4 rows only to have total of 14 rows in the view; the datasource), however, it populates wrong data (from the previous page). On the contrary, when I disable paging, everything works ok.
[Code]....
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Jan 12, 2011
I have a datagrid and vertical-horizontal scrollbars in it. now when datagrid will have more records , scoll bars will be provided. now when i scroll vertically , my header line of the datagrid is also scrolling so i wanna freeze it. i have used javascript to freeze it , its working in IE properly but there is problem with other browser.
i used this :[URL] but its not working in other browser.
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Mar 21, 2010
I have datagrid. i loading data to grid from user control like below
[code]....
when i click the button Show child item. all the child item are displaying except one. for first child item not displaying, but one of parent items is displaying inside child grid.
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Sep 10, 2010
I have a Timer and a GridView who pulls info from the database every X seconds.Every time I query the database the field 'Comments' is replaced with whatever is on the database (since it's bound to it). I'd like to keep my previous value and keep adding into my Label the subsequent values queried from the database.
For instance, first time I query I get a value of "1" in the Gridview. Now someone changes the database row and next time I query it I have a value of "2". Well, I would like to concatenate the last value queried with the previous one and so on.
So at this point the GridView should show "1" and "2". Here is the piece of code I am talking about:
<asp:TemplateField HeaderText="Comments" SortExpression="Comments">
<ItemTemplate>
<asp:Label ID="lblComments" runat="server" Text='<%# Bind("Comments") %>' />
</ItemTemplate>
</asp:TemplateField>
How do I achieve this goal?
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Apr 28, 2010
I have a "search page" where the user enter some search criteria and a gridview where I display found records. When selecting "edit" on a row I open a second form to allow editing the found data. When the user click close button on the second form I want to go back to the search page. From the beginning I did just return (redirect to page 1) to the page but now the users also want to retain the search form with the serach criteria and found rows (also refreshing the found rows with possible changed data).
I can not just use a javascript with "history.back()" since the edit page might have done postbacks so that will not return to search page.Of course one solution would be to call the search page with a query string (or other ways to pass data between pages) containing the original search data but that solution might get messy.
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Jan 12, 2011
Site basically has datbase results which can be sorted on a page. each record in the recordset also has a link to a Detail Page with more information on that item.
I would like to put some links "previous" and "next" on the details page so that a visitor does not have to go back to the results page and choose the next item in the list.
I've seen this on other sites but just can't seem to grasp it. Database results are done using ASP.NET
Anyone have any pointers? or if you have an asking price I'm all for that as well as long as I learn from it. I can provide url and code if needed.
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Apr 27, 2010
I have a page where I am displaying a series of 10 items that are each links. This data is fed from a database. I need to add a previous and next function to this page but I cannot use any of the data controls in ASP.NET. I need to grind this out manually.
The page iterates through a recordset of up to 10 records and formats the data and inserts it into the innerHTML of a div on the page. What would be a good method here for implementing a previous and next function without using the GridView or other data bound controls?
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