CS0117: 'string' does not contain a definition for 'PropertyInfo'

Question

Here is the error I am getting:

Compiler Error Message: CS0117: 'string' does not contain a definition for 'PropertyInfo'

Source Error:

Line 182:		txtSubjectListingNumber.Text = test; 
Line 183:
Line 184:		ddlDefault = ddlPropertyType.Items.FindByValue(bpo.PropertyInfo.propertyCharacteristics.propertyType);
Line 185:		
Line 186:

Can anyone help?