c# - Change column position in XamDataGrid at runtime -

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i working on xamdatagrid binded list of columns. want change column position on xamdatagrid on load using mvvm. have created behavior of xamdatagrid.

can suggest solution according requirement?

this work me: 

  fieldlayout.fields[columnlist[i]].actualposition = new fieldposition(i, 0, 0, 0);

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