Counting and showing Duplicates in DataTable vb.net

进行中 已发布的 7 年前 货到付款

$10-30 AUD

货到付款

进行中 货到付款

I am having issues with trying to count / show duplicate records in a Datatable in VB.bet.

for example I have a Datatable with multiple columns.

eg

Item (Colum1) |

111

112

113

111

112

112

112

114

I want to try and create another Datatable form this that outputs the following

Item (Colum1) | Counter (Colum2)

111 2

112 4

113 1

114 1

******************************************************

Please refer to the following Images attached 1 & 2 as to what I am looking to achieve.

After this I would like to be able to right click on the ID2 and be able to show all rows for that range. E.G I select "12439" and select "Show References - <menu item>" and it shows both rows with that matching reference.

Updated. Added "Example of Project" to show what I am looking the code to achieve.

数据库编程 Visual Basic

项目ID： #11140609

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