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Binding collection of simple types (e.g. List<String>)

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Monsignor
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Monsignor asked on 27 Aug 2010, 07:51 AM
HI,

I want to share my experience with binding an IEnumerable<String> to a report.

Normally, you bind a collection of complex objects with public properties:
public sealed class MyType
{
  public String FirstName { get; set; }
  public String LastName { get; set; }
}
 
 
report.DataSource = new List<MyType>();

Then, in a report's textbox, you specify this expression to load the data from MyType object:
= Fields.FirstName + " " + Fields.LastName



But what if you want to just bind a list of strings without creating redundant wrapper types?
report.DataSource = new List<String>();

You can't just set "= Fields" expression to a textbox, it will produce "Incorrect use of Fields" exception. But you can set following expression and it will work (RawData is of type Object, so I guess it calls ToString() method internally):
= ReportItem.DataObject.RawData

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Steve
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answered on 30 Aug 2010, 04:40 PM
Hello Monsignor,

You can use = Fields.Item as well which is meant for such purpose.

Sincerely yours,
Steve
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Ashok
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answered on 31 Mar 2019, 08:52 AM

Really helped me.

Thanks

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Vikram
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answered on 17 Jun 2020, 12:01 PM
Thank you Monsignor and Steve. It helped greatly.
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