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Questions tagged [webchartcontrol]

20 questions
4
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1 answer

How do I change the legend symbol on a webchart?

I'm using Carlos Aguilera's WebChart control and would like to change the legend markers to match the line markers that I am using on the line. I've got the following chart: Here is my code for the legend: objLegend = New WebChart.ChartLegend …
wax eagle
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5 answers

Image inside UpdatePanel not working in Firefox

I have an image that is generated automatically inside an Ajax UpdatePanel. This image is a graph that is generated from server-side code. Searching in Google, I realised it was a bug of FF. Does anybody have any solution? Here is the source (it…
Iralda Mitro
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1 answer

Change Value Numeric Format in DevExpress WebChartControl

I want to change Value Numeric Format on point label in WebChartControl Series Template. For example, my value on the point is "20.1003435434", and I would set it as "20.10" . I tried to set numericOptions format = "Currency" and Precision="0". But…
mustafaalkan64
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0 answers

asp.net 4.0 caching issue

Need help resolving a problem related to ASP.NET application data caching and chart control. I have a simple test page containg the chart control. Since the chart uses data from the database, I have created a custom object called chartData that…
ebhh2001
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vote
2 answers

DevExpress WebChartControl Pie Controlling Fill

I have been using the System.Web.UI.DataVisualization.Charting pie chart control to display pie chart. With the introduction of IE9, these graphs seem intermittantly to not load and just present the user with an image not found. I have decided to…
WebDude
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1
vote
1 answer

Passing cookie to and from Bot Service

I have a Bot service and a Node JS client that uses the open-source Web chat control. My requirement is that I need to store some user information(like userId) in a browser cookie and send this information to the bot service, so that when user…
user3740951
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2 answers

Sending channelData to webchat with each message

I am trying to inject channelData with each message that is sent from a bot webchat control in a page. I looked around and found this sample…
GaboG
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vote
2 answers

How to generate a pie chart from 2 string values in asp.net c#

I have 2 columns ID and Severity, both of datatype string in my database table with the Severity column having High, Medium and Low values. I added a Chart control and specified its data using a sql data source but I'm unable to get the output as Y…
gRao92
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vote
1 answer

Convert a datatable to a data structure to be read by MS stacked chart control?

I have a chart control (stacked chart to be more precise) and a datatable that contains 3 columns. I want to bind them into a stacked bar chart. below is what the datatable looks like: Resource | Queue | Hoursworked Billy…
iamjonesy
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1 answer

DevExpress WebChartControl Create at runtime

I have the following code to create a simple bar graph at run-time and then exports it as an image to the users computer. [HttpGet] public HttpResponseMessage Get([FromBody]ScoreByLocation sblx) { sbl.ImageWidth = 400; …
Nathan
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1 answer

Component Art WebChart causing Asp.net worker thread memory leak

We are using the Component Art WebChart for an online dynamic report and after 1 or 2 page loads of the report it throws the memory into a tail spin. The WP3 worker thread just goes to about 400mb and climbing and finally low memory and the system…
Tom Walls
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1 answer

AxisLabel Stacked Column Chart using MsWeb Chart

I'm using Ms Web Chart to have stacked column chart. The Axis Label are coming properly if the no of columns are <= 9. if it is more than 9 then the lables are not coming properly. for(int pointIndex = 0; pointIndex < 10; pointIndex++) { …
user1664642
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0 answers

ToolTipFor SeriesPoints not showing while using devexpress

I have a webchartcontrol in my asp,net webforms, I have been trying to use the tooltip to show data when hovering over a point but the tooltip is never activated. I've tried different things I've found online. Below is the code I've been trying. Can…
abdulmueez emiola
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2 answers

AspxPivotGrid and WebCharControl Issues

I've got two questions/issues regarding the AspxPivotGrid. When I use the customization window and add columns in the 'Row Area' and 'Data Area' and update the report. The grid generates properly but the graph doesn't generate. However when you add…
Ruaan
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1 answer

Devexpress webchartcontrol how to get unlimited colors collection and store in list array

Currently I have 204 items to display as legend in webchartcontrol, my current code can only support color for around 150 items. If more than that, then error "Index was out of range. Must be non-negative and less than the size of the…
Vanquisher
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