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根据FastReport.Net文档,RegisterData方法已经过载,我可以通过多种方式注册数据。我试图通过下面的代码来注册数据集:FastReport.Net。注册数据时出错
adapter.SelectCommand.CommandText = "SELECT t.* FROM test t";
ds = new DataSet();
adapter.Fill(ds);
report1.Load("report1.frx");
report1.RegisterData(ds, "user_ds");
report1.GetDataSource("user_ds").Enabled = true; //Error: Object reference not set to an instance of an object.
((DataBand)report1.FindObject("Data1")).DataSource = report1.GetDataSource("user_ds");
report1.Show();
,并得到错误:
Object reference not set to an instance of an object.
,但我得到的成功,当寄存器数据表:
adapter.SelectCommand.CommandText = "SELECT t.* FROM test t";
ds = new DataSet();
adapter.Fill(ds, "test");
report1.Load("report1.frx");
report1.RegisterData(ds.Tables["test"], "user_ds");
report1.GetDataSource("user_ds").Enabled = true;
((DataBand)report1.FindObject("Data1")).DataSource = report1.GetDataSource("user_ds");
report1.Show();
为什么我就't注册数据集?
我遇到错误 “(GroupHeader1):错误CS1525:无效的表达术语 '['” 为您的代码...但我有GroupHeader1单TextObject与 “[日期]”和我的代码它的工作 – GrApDev
错误行“report1.Show();” – GrApDev
见[FastReport.Net。数据集的注册](http://stackoverflow.com/questions/41179788/fastreport-net-registration-of-dataset) – GrApDev