很简单，您只需更改参数即可实现！

1.更改报告路径

Simple, you just need to change to parameter to achieve that!

1. Change Report Path

ReportViewer1.LocalReport.ReportPath =  YOUR REPORT PATH

2.像这样在RDLC文件中添加具有确切DS名称的数据源

2. Add DataSource with exact DS name as defined in your RDLC file like this

 var ReportDS= YOUR DATASET

ReportViewer1.LocalReport.DataSources.Add(new Microsoft.Reporting.WebForms.ReportDataSource()
                {
                    Name="DSNAME",
                    Value = ReportDS
                });

完成

It''s Done