Use the statistical analysis graph of the Asp.net page written in C #

Hope to be useful to everyone

String [] dataname = {"Jan", "FEB", "Mar", "APR", "may", "Jun "};
Int [] DATA = {100, 20, 50, 60,240, 20 };

/// <Summary>
/// Create a bar chart using office
/// </Summary>
/// <Param name = "dataname"> data name </param>
/// <Param name = "data"> data </param>
Public void graphicscolumnclustered (string [] dataname, int [] data)
{
//////////////////////////////////////// ///////////////////////////////
/// Use Office Web Components to draw a bar chart
// Declare the string that stores the data category and data value
String strdataname = "";
String strdata = "";

For (INT I = 0; I <data. length; I ++)
{
Strdataname + = dataname+ '/T ';
Strdata + = Data. Tostring () + '/T ';
}

// Create a chartspace object to place charts
Owc. chartspace objcspace = new owc. chartspaceclass ();
// Use the Add method of the chartspace object to create a chart
Owc. wcchart objchart = objcspace. charts. Add (0 );
// Specify the chart type
// Chcharttypecolumnclustered indicates the column chart
// Chcharttypearea, chcharttypebarclustered, chcharttypepie, chcharttyperadarline, chcharttymoothline, and circular chart)
Objchart. type = owc. chartcharttypeenum. chcharttypecolumnclustered;
// Set the illustration
// It mainly includes the legend (data type expressed by color), the graph question (icon title), and the data description of the X and Y axes (usually used to describe the data unit on each axis)
// Specifies whether a legend is required for a chart.
Objchart. haslegend = true;
// Specify the title
Objchart. hastitle = true;
Objchart. Title. Caption = "Monthly Income chart for the first half of the year ";

// Graph description of X and Y axes
Objchart. Axes [0]. hastitle = true;
Objchart. Axes [0]. Title. Caption = "";
Objchart. Axes [1]. hastitle = true;
Objchart. Axes [1]. Title. Caption = "month ";

// Add data
// Set the seriescollection attribute of chart objects. First, use the add method of seriescollection to create a group of data, and then use the setdata method to add data.
// Add a group of chart data
Objchart. seriescollection. Add (0 );
// Specify the name of the Data Group
Objchart. seriescollection [0]. setdata (owc. chartdimensionsenum. chdimseriesnames, (INT) owc. chartspecialperformancesenum. chdataliteral, "first half income ");
// Specify the data category
Objchart. seriescollection [0]. setdata (owc. chartdimensionsenum. chdimcategories, (INT) owc. chartspecialperformancesenum. chdataliteral, strdataname );
// Specify the data value
Objchart. seriescollection [0]. setdata (owc. chartdimensionsenum. chdimvalues, (INT) owc. chartspecialperformancesenum. chdataliteral, strdata );

// Display data
// Use the exportpicture method of the chart object to create the generated chart as an image, and then display
// Output the GIF file. The parameter is the file name, format, and image size.
If (system. Io. file. exists (system. Web. httpcontext. Current. server. mappath ("") + @ "/tmpfile.gif "))
{
System. Io. file. Delete (system. Web. httpcontext. Current. server. mappath ("") + @ "/tmpfile.gif ");
}
Objcspace. exportpicture (system. Web. httpcontext. Current. server. mappath ("") + @ "/tmpfile.gif", "GIF", 400,300 );
// Create a bitmap object from the generated image and output it to the response output stream
Bitmap mypalette = new Bitmap (system. Web. httpcontext. Current. server. mappath ("") + @ "/tmpfile.gif", true );
Mypalette. Save (system. Web. httpcontext. Current. response. outputstream, system. Drawing. imaging. imageformat. GIF );
Mypalette. Dispose ();

}