Intro
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Parse an XML file and put the data into arrays for use in an ExcelTemplate report. |
The parseXml method of this demo reads an XML file and parses it using XML DOM. The data is read into an array of type Object[][], and then bound to the report with the BindData method.
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icon | false |
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title | Requirements |
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This sample requires OfficeWriter Enterprise Edition to be installed because the OfficeWriter Grouping and Nesting is only available in the Enterprise Edition of the product. |
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Code
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public class XmlImport
{
///<summary>
///Build the report with ExcelTemplate
///</summary>
public void GenerateReport()
{
//These are the names of the values in WeatherData array
string[] colNames = { "Date", "Temp", "Humidity", "Wind" };
//Read the XML document into an object array
object[][] weatherData = ParseXml();
//Create an instance of SoftArtisans ExcelTemplate
ExcelTemplate xlt = new ExcelTemplate();
//Open the template workbook
string templatePath = @"..\..\ExcelTemplateFiles\XMLImportTemplate.xlsx";
xlt.Open(templatePath);
//Bind the WeatherData array to the template
// %%=Weather.Date, %%=Weather.Temp
// %%=Weather.Humidity, %%=Weather.Wind
DataBindingProperties bindingProperties = xlt.CreateDataBindingProperties();
bindingProperties.MaxRows = ExcelTemplate.ALL_ROWS;
bindingProperties.Transpose = true;
xlt.BindData(weatherData, colNames, "Weather", bindingProperties);
//Process the template to populate it with the Data Source data
xlt.Process();
//Save the report
xlt.Save(@"..\..\ExcelOutputFiles\XmlWeatherReport_output.xlsx");
}
///<summary> Load the XML weather report data into a 2-D
///Object array.
///</summary>
/// <returns> Parsed XML data to be used with ExcelTemplate
/// </returns>
private object[][] ParseXml()
{
//Create an array with an element for each day of weather
// reported in the XML document
// There will be four elements in the first dimension
// to hold "Date", "Temp", "Humidity", and "Wind" data
// and one element in the second dimension for every day
// reported in the XML document
XmlDocument doc = new XmlDocument();
doc.Load(@"..\..\ExcelData\XMLWeatherData.xml");
int NodeCount = doc.DocumentElement.ChildNodes.Count;
string[][] WeatherData = new string[4][];
for (int i = 0; i < WeatherData.Length; i++)
WeatherData[i] = new string[NodeCount];
//Loop through the days of weather
for (int i = 0; i < NodeCount; i++)
{
XmlNode DayNode = doc.DocumentElement.ChildNodes[i];
//Read the weather values from the XML document into the array
if (DayNode.Name == "today")
WeatherData[0][i] = DateTime.Now.ToString("d");
else
WeatherData[0][i] = DateTime.Now.AddDays(i).ToString("d");
WeatherData[1][i] = DayNode.SelectSingleNode("temparature").InnerText;
WeatherData[2][i] = (Convert.ToDouble(DayNode.SelectSingleNode("humidity").InnerText) / 100).ToString();
WeatherData[3][i] = DayNode.SelectSingleNode("wind").InnerText;
}
return WeatherData;
}
}
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