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Resolved Replacement for SelectToStore method in SnapDevelop 2.0

  1. How-to
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  1. Thomas Rolseth
    Thomas Rolseth
  2. SnapDevelop
  3. Monday, 4 May 2020 15:51 PM UTC

The SelectToStore<> method has been deprecated in SnapDevelop 2.0.  We used this extensively in v1.0.  What is the replacement for this this?  How should our code be modified?

We used this to get values from SELECT statements like so:

var result = _dataContext.SqlExecutor.SelectToStore<DynamicModel>(sql, as_param1);

Thanks, Tom

  1. SqlExecutor
  2. SnapDevelop
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SnapDevelop class library for Powerbuilder 2019
Accepted Answer
Logan Liu @Appeon
Logan Liu @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 5 May 2020 05:25 AM UTC
  2. SnapDevelop
  3. # Permalink

Hi Tom,

Yes. You can replace SqlExecutor.SelectToStore<DynamicModel> with SqlExecutor.Select<DynamicModel> method.

BTW: The SelectToStore method was extended for ModelStore<TModel> in the last version, but ModelStore<TModel> has been deprecated in DWNet.Data 2.0.0. We already support DataStore<T>, which can be used to replace ModelStore <TModel> in most cases.

Regards,

Logan

 

 

Comment
Thomas Rolseth
  1. Thomas Rolseth
  2. Tuesday, 5 May 2020 13:43 PM UTC
Thanks. To my other related question, switching to SqlExecutor.Select<DynamicModel> method means we can no longer use:



as_type = result.GetValue<string>(0, "srv_type");



It doesn't like the row index indicator anymore. Is it no longer possible to do this with GetValue?
  1. Helpful
Logan Liu @Appeon
  1. Logan Liu @Appeon
  2. Tuesday, 5 May 2020 14:16 PM UTC
Yes. It returns an IList<TModel> object. You need to use a different way to get the value.

E.g.:

var result = _dataContext.SqlExecutor.SelectToStore<DynamicModel>(sql, as_param1);

as_type = result[0].GetValue<string>( "srv_type");

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Responses (2)
Thomas Rolseth
Thomas Rolseth Accepted Answer Pending Moderation
  1. Monday, 4 May 2020 15:59 PM UTC
  2. SnapDevelop
  3. # 1

Would we just replace 'SelectToStore' with 'Select' like so?

var result = _dataContext.SqlExecutor.Select<DynamicModel>(sql, as_param1);

Comment
Thomas Rolseth
  1. Thomas Rolseth
  2. Monday, 4 May 2020 21:53 PM UTC
I also noticed that if we did switch to Select<DynamicModel> we can't use GetValue in the same manner. Currently we use it as follows with an index representing the row number:



as_type = result.GetValue<string>(0, "srv_type");



Has that been deprecated as well? If so, is there a workaround?
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