Insert image from base64 string using LINQ Reporting engine

@Sami69 Just use base64 string as data for your expression in <<image [image_expression]>>. For example see the following template and code:

string base64ImageData = @"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";

Document doc = new Document(@"C:\Temp\in.docx");
ReportingEngine engine = new ReportingEngine();
engine.BuildReport(doc, base64ImageData, "myimg");
doc.Save(@"C:\Temp\out.docx");

in.docx (15.4 KB)
out.docx (12.7 KB)

@freedomzhangqixuan Could you please explain the problem you have encountered?
in.docx (15.4 KB)
out.docx (12.7 KB)