I am want show the MSChart in the Gridview Item Template,When i put the MSChart control in the Gridview Itemtemplate the Gridview does not render rhe MSChart,It says " There was error in rendering the contol,object reference not set to an instance of an object.
View 3 Replies
I have the following gridview on my page, but when the button is pressed that displays the gridview, its just plain all white with no styling..
[Code]....
Im trying to render a gridview control to a string as part of a confirmation email to be sent to a customer. When I try to render it, I get an exception.
ex = {"Control 'OrderLineItems1_gridOrder' of type 'GridView' must be placed inside a form tag with runat=server."}
The code which is attempting to render the control is
[Code]....
The RenderControl() raises the aforementioned exception. Has anyone succeeded in doing something similar.
I am having an issue with the gridview in ASP.NET. Everything works well when running from IDE in both debug and without debug. When I publish to IIS I have a gridview that I use in two places. It works fine in one place but not the other. In one instance I am using an IFRAME tag to display the page that uses this data grid. When I first load it it works fine, I can click on a row. But after clicking on that row after the first postback, I can no longer get it to postback again on future clicks. I used firefly and after clicking the first time on the grid, the tags for the table are not rendered though I can clearly see the grid. Confused... Here is the rendered code before clicking on it using firefly. (oh yea, this gridview is also inside of an updatePanel) (In the below I replaced actual data with xxxx)
[Code]....
Below is the code after clicking on the grid.
<div id="UpdatePanel1">
<div style="background-color: white; width: 818px; height: 405px; overflow: auto" onscroll="GetScroll()" id="divFill">
<div style="padding-bottom: 5px; background-color: buttonface; width: 818px; height: 20px; padding-top: 5px" id="NavFoot" align="right">
</div>
Also, if I did not provide enough information let me know.
I am using the .net 3.5 chart controls and I am binding a chart to a datatable datasource. How do you keep the charts displayed after a postback has ocured. I bind my chart control. The on the page i make a change to a dropdownlist that issues a postback to the server. When the page reloads the charts have no data. How can you make the chart object persist it's data during postback?
View 1 RepliesDoes anyone have an example of using MSChart with a stored procedure? I have a chart control on the web page and have bound it to the stored procedure. I have also set the parameters for the stored procedure. However nothing shows in the chart. All the examples I can find only show adding points one at a time, but this seems to defeat the purpose of binding the chart to the stored procedure.
Some of the problems I am trying to solve:
The stored procedure returns about 6 columns of data. I only need to use two of them. How do I select which of the columns will be displayed in the chart?
I want to use two or more series on the chart. Do I have to run a separate stored procedure for each series or can I make one call to the stored procedure and then display the data in the two series? If so, how?
I am using VS 2008, MS SQL Server 2008, .Net 3.5 and VB .Net.
I would like to install my asp .net site on a free host. what do I need to install in order that the mschart control will work on the host.
what are the basic requirements.
at the moment I get an error about it.
I am wondering if I am able to align y-labels at chart if I am using MSchart control. I searched at google, but I got feeling it is not possible to align them, just title of y-axis.
Here snip of the chart if my question is not clear enough: [URL]
I've created a pie chart with several slices from a databind with a database. now i want to be able to click on a slice and show the values behind the clicked slice from the database in a gridview.
View 2 Repliesi am using mschart in vs2008 in that i want set our own color for each datapoint using c#. This for the pie chart etc.. and also if there is no data for data point i want point out that field in unique color.
View 3 Repliesusing Mschart on my MVC project,when i use the first index page of project to render for the partial view name index2 the code is
<% Html.RenderPartial("Index2"); %>
But when i run it the error is occur which the message is
CS0029: Cannot implicitly convert type 'ASP.views_home_index2_ascx' to 'System.Web.UI.Page'
-it said that the problem line of code is
: // Render chart control
Line 52: Chart2.Page = this;
[code]...
But when i put all of code in Index2.ascx to the index.aspx and not to render the partial view it work fine
Code of Index2.ascx is
<%
System.Web.UI.DataVisualization.Charting.Chart Chart2 = new System.Web.UI.DataVisualization.Charting.Chart();
Chart2.Width = 412;
Chart2.Height = 296;
[code]...
I've add MSChart to a webpage and I'm also using a Survey page I got from 4GuysFromRolla (http://www.4guysfromrolla.com/articles/061604-1.aspx). Both work on my development machine but when I move them to my hosting site there are issues.
With MSChart page the chart is not displayed although it's included the Page Source code:
src="/ClubInformationTracking/ChartImg.axd?i=chart_3d90c53b0f844807a2491a1d79a636a1_0.png&g=75fecf0f14cf4121b623691d383263aa" alt="" style="height:300px;width:700px;border-width:0px;" />
And when I try to open the Survey page I get this:Parser Error Message: Could not load file or assembly 'sstchur.web.survey' or one of its dependencies. The system cannot find the file specified.
Source Error:
<%@ Register TagPrefix = "sstchur" Namespace = "sstchur.web.survey" Assembly = "sstchur.web.survey" %>
<%@ Page Language = "C#" %>
Assembly Load Trace: The following information can be helpful to determine why the assembly 'sstchur.web.survey' could not be loaded.
WRN: Assembly binding logging is turned OFF.To enable assembly bind failure logging, set the registry value [HKLMSoftwareMicrosoftFusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.To turn this feature off, remove the registry value [HKLMSoftwareMicrosoftFusion!EnableLog].
The Hosting site is using Version 4.0 and the dll needed for the survey is in the BIN directory.
When I moved my files to the hosting site I had to change every instance when I referred to a file from:
"~/FileName"
To
"FileName"
I've tried all of the "fixes" I could find for the MSChart that involved changes to the web.config file but because of the error messages associated with the Survey page I'm guessing this is the issue.
I am having a problem with rendering a menu control inside a server control. I am getting an error in the RenderContents override method when I try to render the Menu Control. The error I am getting is an Object Reference error. The code is below...
[Code]....
I'm rewriting my website in aspx to pull text from a SQl server and pop it up in a modal. I have everything working fine, but when I was using plain asp and HTML tables, I was able to format some of the text in the database using HTML tags, and they would render to screen. Is there anyway to do the same thing when using the following:
<asp:table>
<asp:tablerow>
<asp:TableCell> [code]..
I have several datalist controls inside a panel control.
When I do a databind on the "movie" datalist, data is populated. I can see during the debugging on the aspx page that it goes into the label controls and binds the data.
When I do a databind on the "alacarte" datalist, the data isn't populated even though before doing the databind I validate that there is a record inside the generic collection that I use for each separate type of datalist. When the databind occurs, it goes thru the alacarte datalist and does the databinding to the fields, but when the page renders, it doesn't produce any output inside this datalist.
The code behind below is the databinding for the movie datalist.
DataList grdMovies = ShoppingCart1.FindControl("grdMovies") as DataList;
grdMovies.DataSource = lstMovies;
grdMovies.DataBind();
The code behind below is the databinding for the alacarte datalist. I verified that there is a record inside the lstAlacarte collection with the same field names that are in the html for the alacarte section during the databinding.
DataList grdCartAlaCartePgming = ShoppingCart1.FindControl("grdCartAlacartePgming") as DataList;
grdCartAlaCartePgming.DataSource = lstAlacarte;
grdCartAlaCartePgming.DataBind();
Below is the html on the aspx page for the above controls. I included all of the html so as to see if there is anything I'm doing wrong. I even placed the words "desc" and "price" to see if that would render and it did not.
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="ShoppingCart.ascx.cs"
Inherits="DishRedesignClient.ShoppingCart" %>
<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="cc1" %>
<asp:Panel ID="pnlShoppingCart" runat="server" Height="400px" Width="300px"
[Code]....
I am currently developing a site in the .Net Framework 3.5. The site works correctly except when the user selects the Compatabilty view. I am unsure of how to make the page render properly in compatabilty mode. I have problems with the repeater displaying data correctly from the sql Server. I also have a dynamic menu that is called from the server this too also renders incorrectly in compatability mode. I am a new asp.net developer and I havent come across this type of problem before. Basically I want the site to be correctly viewable in IE 7 and 6.
View 2 Repliesi have a repeator control that is bind to a dataset, one of the field is image path that is bind with <img src tag. Now the problem is so of the articles are with out any image, how can i make sure that <img tag only render when there is an image name exist?
[Code]....
I have a ListView that I need to populate a dropdownlist while rendering. For each rown in my table has a field called sizes which has data that looks like this "blue; red; yellow; green", I need to render a dropdownlist in the ItemTemplate with these values, I tried placing a PlaceHolder but I don't know how to populate it. I have tried to populate it OnItemDataBound and OnUnload but neither seem to work.
View 1 RepliesI have a user control with a datagrid and few other information on title and summary. I would like to render this control to an Excel file !
The problem is , as soon as i try to open the rendered xls file, Excel reports an error, that the file extension is not valid, and that it is not from a trusted resource.
I have gridview control that has data binded by using EF. Whenever I try to sort my gridview I get this error: "Input string was not in a correct format." This error points to the following line of code: "int index = Convert.ToInt32(e.CommandArgument);"
AdministracijaVrstaAktivnosti.aspx
[Code]....
AdministracijaVrstaAktivnosti.cs
[Code]....
I'm not sure what do I have to fix if I want to sort the columns.
If I bind the data manually what is the code for codebehind to allow sorting for particular columns.
I have been trying to implement an extended GridView that eventually will include a panel with a number of filter options outside of the grid iteself.
As a test I have added a dropdownlist and a linkbutton but when these are rendered to the page they are rendered as plain HTML with none of the javascript or ids that are generated for server controls as a consequence the postback event is not fired when a dropdownlist item changes and the linkbutton is rendered as plain text.
[Code]....
I'm using code similar to code mention at http://www.dutch-creatives.com/post/2009/08/11/Export-ListView-to-Excel.aspx
to export Listview to excel
My listview [Code]....
I tried to debug, understand why it is generating an extra tr td but couldn't.How Can i directly cast item into HTMLTablerow?
I tried to place 4 mschart controls on the same page but it is giving me major grief. Each chart appears properly when I place one per page, but as soon as I place multiple the first two are displaying incorrect data and the last two do no display anything at all.
I made sure that I am not using the same session variable eventhough that seems to be the most like culprit.
I am new to ASP.NET and AJAX
I want to use Accordion control in my page
but when i try to add that controlit is showing the error.
My code is
[code]....
I have Two Datalist Control . One is dtlistCat and second is dtlistSeries. dtlistSeries is filled by dtlistCat by dtlistCat_ItemDataBound method .
Coding side is ok . But Only problem in rendering . I want the page render with dtlistSeries has 2 repeat column in verticle direction I think only designning part creating problem .Not proper width or height specified so.
ViewSeries.aspx
<%@ Page Language="C#" MasterPageFile="~/MasterPage/Store.master" AutoEventWireup="true"
