Way To Bind Or Rebind Data To Chart
Jun 16, 2010The binding of the data to chart switches according to the radio button selection, but it shows only the data that is selected for the first radio button
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Apr 27, 2016See this code
protected void Page_Load(object sender, EventArgs e) {
chart.InitChart(new Chart {
Type = ChartTypes.Spline,
BackgroundColor = new BackColorOrGradient(System.Drawing.Color.FromName("'#f1f2f7'")),
ZoomType = ZoomTypes.X
[Code] ....
in this code I want to bind data from database in series so how can i bind data from database
in above they have two parameters in series parameter1 and parameter2.
they have hardcoded array . I want to make it dynamic.
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Feb 21, 2011I have a database with several data in. I want to select a data in database with dropdownlist. When you select the value in ddl, the selected data should come to chart.... My example;
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- My Tables: ID, Name, Department, Problems, Description, Date, Hour
I show the items of Department in dropdowlist, what I want is; when you choose a department you must see the Problems in Xaxis and I count the items in Yaxis. My query; SELECT Department, Problems, COUNT(*) AS totalProblems FROM tblProblemDescription GROUP BY Department, ProblemsDoes anyone show me a way how to solve this problem with databinding in Chart.
AJAX :: Can't Rebind Data Control On Jquery
Nov 8, 2010I have an jquery ajax event that fires and sends some variables to a user control. the user control (which displays a repeater) takes these values, runs a query, and returns a list for binding to it's repeater. For some reason it wont let me bind to the repeater. It just quits the debugger?
View 6 RepliesForms Data Controls :: Rebind Datalist After Upload An Image Using Jquery?
Sep 21, 2010I'm using a jquery plugin called uploadify to upload images to my database. I'd like my datalist to be auto-rebind after the images' been uploaded so people could see the changes immediately. Also because this is a feature for admin there is a delete button in the datalist. I used updatePanel for this.
I put __doPostBack('" + upnlUploaded.ClientID + "','') to the javascript so when Images have been uploaded the update panel will postback.
I also have the following two lines to make it working...
<asp:UpdatePanel ID="upnlUploaded" runat="server" UpdateMode="Conditional" OnLoad="upnlUploaded_Load"> <%--upnlUploaded_Load --%>
Forms Data Controls :: Using Dot Net Chart Control Last Column Of Chart Is Not Completely Appearing?
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When the page loads ,the chart displays the default year(2011) and it works.The problem is that is does not change the data when you select another year from the dropdownlist.
Forms Data Controls :: .net 4 Chart Control - Hide Labels In Pie Chart?
Apr 28, 2010Am I going mad/blind? Probably a combination of the two.
How does one go about removing the data labels from a pie chart with the new chart control in .net 4?
I can get these to display as tooltips absolutely fine, but ultiamtely I'd like the labels not to be present as it looks rather busy.
I've searched previous answers and seen code behind resolutions but surely there must be some sort of code infront option to turn these labels off?
Forms Data Controls :: Pie Chart Size In Charting / Using MS Chart Control (3.5)?
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1. Can I display both the pie charts in a single chart control and area, or do I have to use two controls? (Currently I am using two controls)
2. How can I maintain the same size for both the pie charts? This is my main concern, since the pie sizes keep changing, depending on the number of datapoints. I tried using custom properties like "MinimumRelativePieSize", but it's not working.
Forms Data Controls :: Creating Stacked Bar Chart From VS2010 Chart Control (Documentation)
Nov 17, 2010i'm trying to create a stacked bar chart on a vb web form using vs2010.My data source returns:
Error in Functionality Awaiting on Supplier
1IMT IssuesmActive6
IMT Issues,Awaiting on Supplier
2,IMT Issues,Awaiting on User 4
IMT Issues Closed 120
Login / Password Active
But I can't get this into a stacked chart. I know I must have to do quite a bit of work declaring what the series are and soforth, or having a different dataset but can't find any documentation on it.A link to some documentation or an example of a stacked chart from an sql datasource would be much appreciated.
Forms Data Controls :: Chart Control Tooltip On Pie Chart Not Updating On Partial Postback?
May 21, 2010I started using the awesome chart controls with my asp.net apps recently and so far they've been nothing short of breath taking. Right now I have a weird problem, on the first load of my page, the chart control appears correctly and the tooltip is correct, however, when I update it with new data, the chart displays correctly, but the tooltips are for the previous set of data.
I hope this makes sense. The first time I load the chart, the pie chart segments and tooltips are correct, after a partial postback (to get the new data), the pie chart segments are correct but the tooltips are for the previous data set.
Basically once the tooltips are set the first time, they can't be updated after that without a full page postback.
Here's how I set the tooltip:
[Code]....
Anyone else noticed this behaviour and have a work around?
Currently my only workaround is to check for a partial postback and not render the tooltip, which I'd rather not do as the tooltip display actual statistical data as opposed to the pie itself (which uses percentages).
Rebind Same Gridview Again?
Nov 23, 2010I have ASP.NET page, Page1 and there is a gridview. There is also a linkbutton which takes user to Page2. And, once user clicks a button on Page2, the page is redirecting to Page1.
I want to rebind the gridview on the Page1 with previous gridview again upon coming back from Page2. So I am passing the gridview in the Session variables, and bind it to same gridview again, but it looks like it's not binding (No gridview displayed).
Is there any way I could preserve the gridview and rebind it upon coming back from another page?
AJAX :: To Bind Data To This Control In Code Behind File - Taking 3 To 4 Minutes To Bind Data And Display The Page
Aug 27, 2010 i am using ajaxtoolkit:combobox and i tried to bind data to this control in code behind file.but it is taking 3 to 4 mints to bind data and display the page. I am providing my aspx code and code behind code here
[Code]....
Code behind code:
[Code]....
GetPrograms() method will return almost 6000 records. to load the control it is taking almost 4 minuts..
Rebind Sqldasource On Controlparameter Change?
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Feb 27, 2010i am doing a drop and drag operation that calls a webmethod to do a data insert on drop. I am trying to figure out the best way to rebind the datalist that i am getting my items from to show accurate items. Should i just remove it using javascript? or rerun the binding?
View 1 RepliesAutomatically Rebind Controls On Postback?
Dec 29, 2010Is there a flag or property value I can set to have my controls re-bind on every page load, instead of just the initial one? I'm still very new to ASP.NET, so I would like to do it properly (if such a way exists) before resorting to the first thing that "works".
I am working on a simple WebForms page, which boils down to a few SQLDataSource-bound Repeaters; for example:
<asp:Repeater ID="ExampleRepeater" runat="server" DataSourceID="ExampleDataSource"
OnItemDataBound="ExampleRepeater_ItemDataBound">
<ItemTemplate>
<asp:Label ID="DataboundControlID" runat="server" Text='<%# Eval("ExampleColumnName")%>' />
</ItemTemplate>
</asp:Repeater>
<asp:SqlDataSource ID="ExampleDataSource" runat="server" ConnectionString="example_connection_string"
SelectCommand="ExampleStoredProcedure" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:Parameter DefaultValue="exampleValue" Name="parameter1" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
After the user has interacted with my page, they can initiate a postback which will change the state of the database. I'd like the postback'ed page to reflect the changes to the database.
How To Prevent Rebind For The DetailsView When Hide Or Show Columns
Mar 6, 2011I have a DetailsView control, in edit mode, I want to hide and show fields based on a DropDownList's value inside it (the DropDownList makes a postback).
The problem is that when a hide and the show operation is maked, the DetailsView control will make a rebind for it and all the filled fields are cleared!
How can I prevent this behaviour?
How To Rebind The Grid With Cached Dataset Stored In Session
Aug 19, 2010I have a grid with one TemplateField which is a checkbox and say 2 bound fields.
In Page_Load on postback I rebind the grid with cached dataset stored in session. If user selects checkbox on the grid, upon postback i can iterate on the grid and get those checked values, everything works fine.
If I move the code of grid binding on postback to OnInit instead of Page_Load then i loose those user checked checkbox data. Why? Should the postback data not overlay on top of the grid after oninit?
It does work with page_load, I'm assuming that when i rebind the grid, I'm overlaying my data on grid which has postback data, since the checkbox column is not bound i do not overwrite postback data.
NOTE: viewstate is disabled on my grid, i bind data (stored in session) on everyback postback. Also something weird, when I'm using OnInit, on every postback i get the first page of the grid, no matter which page the postback was triggered.
AJAX :: Rebind A Asp:repeater From Client Side Code?
Apr 28, 2010i appologise if thisis a silly question but i just want to be completely sure something is not possile before i tell this to my manager.
i am a WinForms programmer by trade, but i have put in charge of making a web site for our sales team, and web development is a new area for me. the web site is written in ASP.NET, C# code. it is finished, however they are complaining that there are too many page refreshes.
first of all, we have an SQL server with all our data in it. on the main web page, the user must select their country of interest from a DropDownList. when they do this, all our customers from that country are displayed in an html table, generated by a Repeater. i have set AutoPostBack on the country DropDownList to true, so each time the user selects a different country, the SelectedIndexChanged event handler is called, and in here i generate a new sql statement with the selected country, and re-bind the Repeater.
There are also a few other DropDownLists that do other 'filtering' stuff. for example, one DropDownList selects whether to display customers whose license expires soon (within a week), and another DropDownList filters the customers who currently have an open support case. All the DropDownLists have their AutoPostBack set to true, and in their SelectedIndexChanged event handler, i work out the sql based on the values of the DropDownLists, and re-bind the Repeater.
the problem with the above is that each time the user selects a different value from the DropDownList, the page refreshes, clearly because the AutoPostBack is set to true for them all. so to stop this i need to set AutoPostBack to false - but then of course the SelectedIndexChanged event handlers are not called, and so i have no place to rebind the repeater with my new sql statement.
so what i really need, is to be able to set a DropDownList's AutoPostBack to false, and handle the rebinding of the Repeater in some client-side event, which does NOT result in a postback. the Repeater will be bound by some sql, which is generated by the values in the DropDownLists (eg "SELECT * FROM custTable WHERE [Country]='" + CountryDropDownList.Text + "'"), so in this client-side event i need to be able to reference the asp.net controls.
Data Controls :: ListView Already Bind With DatasourceID - Cannot Bind It With Datasource
Oct 13, 2013I have connected listview by using datasourceid that means by using "sqldatasource1" now i want to change value of listview at run time according to search so for that i am using datasource at codebehind. but it give an error
"listview have already bind with datasourceid you can not bind it with datasource"
what should i do for solving my requirement.
Web Forms :: Listbox.Items[0].Selected Always To True / Rebind It In The Codebehind?
Jul 15, 2010I have a ListBox declared like this in my aspx:
[Code]....
And I need to rebind it in the codebehind:
[Code]....
Then I want only the second item in the list to be selected
[Code]....
I don't want the first item to be selected, what do I miss?
AJAX :: Datapager Displays Wrong Pages After Rebind Listview Using Updatepanel?
Mar 8, 2010One thing I really don't like about Updatepanel is that I have to rebind almost all components in the page.
For example, I have to specify Eidit (Update) index (for inline editing) after rebind Listview using Update panel (after partial update).
It was too much job to rebind all components, so I redirected to same page and used Querystring to pass values in order to avoid all components to be updated based on one value...
If I update Listview using Updatepanel, the datapager has to be updated as well based on new Select SQL statement results.
Listview is pretty simple to update, using "Listview1.bind()" does the job.
Datapager is also in updatepanel, but it won't rebind with new results.
After post back, I'm still getting same Datapager as the orignal SQLDataSource.
In orger to "refresh" Datapager, what do I need to do??
I used to use iframe to do partial page update, but I'm having big problem using Updatepanel since simple rebind won't do the job.
Web Forms :: How To Make Scatter Plot Chart With X Y Using Chart Control
Jul 19, 2010I have X and Y data columns coming from database.
I have to show scatter plot chart with Linear, Exponential, Log, power using asp.net chart control.
How to do that?