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DataTable Column MappingType C#

Hi,

I have 2 question regarding MappingType

I did a column MappingType.Hidden for every column beforehand.

1.So how can i include multiple columns other then using this...
                datatable.Columns["column1"].ColumnMapping = MappingType.Element;
                datatable.Columns["column2"].ColumnMapping = MappingType.Element;
 
2.How can I un"hide" every element?So I can access to every column again?

Thanks for the reply in advance.
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csharp_learner
Asked:
csharp_learner
1 Solution
 
Gautham JanardhanCommented:
u can loop thru columns and set the mapping type
for(int i=0;i<datatable.Columns.Count;i++)
{
datatable.Columns[i].ColumnMapping = MappingType.Element;
}

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