c# - Dataset not found in my namespace -

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i creating visual c# forms application in visual studio, , trying use data set. have imported data set using wizard, , used in data grid, yet when debug program, gives me these errors:

1>c:\users\danie\documents\visual studio 2015\projects\viadmin\viadmin\home.designer.cs(219,25,219,37): error cs0426: type name 'staffdataset' not exist in type 'viadmin' 1>c:\users\danie\documents\visual studio 2015\projects\viadmin\viadmin\home.designer.cs(221,25,221,50): error cs0426: type name 'staffdatasettableadapters' not exist in type 'viadmin'

i not sure why doing this, able see of columns in designer when not running it. have tried declaring like

private dataset staffdataset;

but vs tells me defined?

if help, using vs 2015 community


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