Category X axis of Excel chart in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-chart-category-x-axis.html
Read or create Excel file with data validation in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-header-footer.html
Read or create Excel file with data validation in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-data-validation.html
Page orientation (portrait, landscape), paper size, print area for Excel in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-page-setup.html
Read or export document properties of Excel file in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-document-properties.html
Format data table of Excel chart in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-chart-data-table.html
Add Excel chart series with formatting in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-chart-series.html
Create named range or named formula in Excel in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-named-range-and-formula.html
Read image from Excel, export image to Excel in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-image-import-export.html
Read hyperlink from Excel, create hyperlink in Excel in C#, VB.NET, Java, C++, PHP and other! http://www.easyxls.com/manual/basics/excel-hyperlink.html