Oct 30, 2013, 3:44 PM
Dynamic Chart and Grid binding data from DataTable
I'm trying to to build both grid and chart depends from DataTable data. I followed this thread and it's working well for grid but no for chart because it's being rendering empty. Something is wrong with my chart series, but I didn't realized what is wrong.
Could somebody give me a help?
Here is my code:
Could somebody give me a help?
Here is my code:
<%@ Page Language="C#" AutoEventWireup="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
private ModelFieldType MappingType(Type type)
{
if (type == typeof(string))
{
return ModelFieldType.String;
}
else if (type == typeof(DateTime))
{
return ModelFieldType.Date;
}
else if (type == typeof(int))
{
return ModelFieldType.Int;
}
else if (type == typeof(double))
{
return ModelFieldType.Float;
}
else if (type == typeof(bool))
{
return ModelFieldType.Boolean;
}
return ModelFieldType.Auto;
}
protected void Page_Load(object sender, EventArgs e)
{
EamCore.Domain dom = new EamCore.Domain(Guid.Parse("d952652d-142c-4e9f-b97e-968df211a3b1"), ConfigurationManager.ConnectionStrings["EamInternalDBConnectionString"].ConnectionString);
EamCore.Reports rep = new EamCore.Reports();
System.Data.DataTable tb = rep.GetAlarmsRate(dom, "1", "day", "01/01/2013", "05/01/2013", "", true);
Model readerChart = new Model();
Model readerGrid = new Model();
Store storeChart = new Store { ID = "storeChart", Model = { readerChart } };
Store storeGrid = new Store { ID = "storeGrid", Model = { readerGrid } };
GridPanel grid = new GridPanel
{
ID = "GridPanel1",
AutoDoLayout = true,
ForceFit = true,
Collapsible = true,
Store = { storeGrid }
};
grid.BottomBar.Add(new PagingToolbar());
System.Collections.Generic.List<ColumnSeries> Serieslist = new System.Collections.Generic.List<ColumnSeries>();
if (tb != null)
{
for (int i = 0; i < tb.Columns.Count; i++)
{
bool valuedSerie = false;
foreach (System.Data.DataRow dr in tb.DefaultView.Table.Rows)
{
if (dr.ItemArray[i].ToString() != "0")
{
valuedSerie = true;
break;
}
}
if (valuedSerie)
{
readerChart.Fields.Add(tb.Columns[i].ColumnName, this.MappingType(tb.Columns[i].DataType));
Serieslist.Add(new ColumnSeries { Highlight = true, XField = new string[] { tb.Columns[i].ColumnName } });
readerGrid.Fields.Add(tb.Columns[i].ColumnName, this.MappingType(tb.Columns[i].DataType));
grid.ColumnModel.Columns.Add(new Ext.Net.Column { Text = tb.Columns[i].ColumnName, DataIndex = tb.Columns[i].ColumnName });
}
}
}
createChart(tb, Serieslist, storeChart);
storeGrid.DataSource = tb;
storeGrid.DataBind();
this.Form.Controls.Add(grid);
}
private void createChart(System.Data.DataTable dTable, System.Collections.Generic.List<ColumnSeries> listLineSeries, Store store)
{
Chart chart = new Chart()
{
ID = "chtGrafico",
Animate = true,
Width = 800,
Height = 500,
Frame = true,
InsetPadding = 30
};
store.DataSource = dTable;
chart.Store.Add(store);
NumericAxis numericAxis = new NumericAxis { AdjustMaximumByMajorUnit = true, Minimum = 0 };
chart.Axes.Add(numericAxis);
CategoryAxis categoryAxis = new CategoryAxis()
{
Fields = new string[] { "DateTime" },
Position = Position.Bottom
};
chart.Axes.Add(categoryAxis);
listLineSeries.ForEach(x => { chart.Series.Add(x); });
this.Form.Controls.Add(chart);
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<ext:ResourceManager ID="ResourceManager1" runat="server" />
</form>
</body>
</html>
Originally Posted by posser
