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→Charts
#:[[Image:iReport Chart BarPreview.png|center|500px|''Preview with Chart'']]<div align="center">''Preview with chart''</div>
====Modify a Bar ChartsChart====Once a bar chart has been created in iReport Designer, its properties can be edited by selecting the '''Chart Data''' option on the right click menu and adjusting the values and properties. To modify a bar chart:# Right click on the chart in iReport Designer and select '''Chart Data''' from the menu.# The Chart Data properties display.# To edit the main properties of the chart, select the '''Details tab'''. Additionally, this screen can be used to edit the reset type of the chart which is relevant if the chart is displayed on a band other than the summary band.# The '''Chart Details''' window displays#: [[Image:IReport Chart Bar ChartData1.png|center|500px|''Chart Data Properties'']]<div align="center">''Chart Data Properties''</div># For Bar Charts this presents the '''Category Series''' chooser. Typically there will be only one or two series to choose from here though more can be added at this point. Select the series to modify and choose '''Modify'''.# The Chart Data properties window will display#: [[Image:IReport Chart Bar ChartData2.png|center|500px|''Chart Data Properties'']]<div align="center">''Chart Data Properties''</div># In this window, the basic properties of the bar chart that were established in the Chart Wizard can be edited. These include:#*'''Series Expression''': the field used to first group data for charting purposes. To change the field, simply select another field. '''Note:''' while this field is required it can be made blank or fixed by being set to a constant such as: "" or "Blank".#*'''Category Expression''': the field used to group data for charting purposes. To change the field, simply select another field. '''Note:''' The field must be used in the creation of the variable used in the value expression or the results will be incorrect.#* '''Value Expression''': the variable used to store the data to be displayed in the chart. If changes are made this value it is recommended to edit the variable properties as well.#* '''Label Expression''': the area used to define the labels for the chart. Any valid expression can be used here. See [[Summarize i-Report Template Data#Variable Expressions|Variable Expressions]] for more details.