I have a simple DataTable
where one of the columns contains unique values. For example:
ColumnName1 ColumnName2
value1 35
value2
Try:
DataTable.Rows[RowNo].ItemArray[columnIndex].ToString()
(This is C# code. Change this to VB equivalent)
'Create a class to hold the pair...
Public Class ColumnValue
Public ColumnName As String
Public ColumnValue As New Object
End Class
'Build the pair...
For Each row In [YourDataTable].Rows
For Each item As DataColumn In row.Table.Columns
Dim rowValue As New ColumnValue
rowValue.ColumnName = item.Caption
rowValue.ColumnValue = row.item(item.Ordinal)
RowValues.Add(rowValue)
rowValue = Nothing
Next
' Now you can grab the value by the column name...
Dim results = (From p In RowValues Where p.ColumnName = "MyColumn" Select p.ColumnValue).FirstOrDefault
Next
For i = 0 To dt.Rows.Count - 1
ListV.Items.Add(dt.Rows(i).Item("STU_NUMBER").ToString)
ListV.Items(i).SubItems.Add(dt.Rows(i).Item("FNAME").ToString & " " & dt.Rows(i).Item("MI").ToString & ". " & dt.Rows(i).Item("LNAME").ToString)
ListV.Items(i).SubItems.Add(dt.Rows(i).Item("SEX").ToString)
Next
Dim rows() AS DataRow = DataTable.Select("ColumnName1 = 'value3'")
If rows.Count > 0 Then
searchedValue = rows(0).Item("ColumnName2")
End If
With FirstOrDefault
:
Dim row AS DataRow = DataTable.Select("ColumnName1 = 'value3'").FirstOrDefault()
If Not row Is Nothing Then
searchedValue = row.Item("ColumnName2")
End If
In C#:
var row = DataTable.Select("ColumnName1 = 'value3'").FirstOrDefault();
if (row != null)
searchedValue = row["ColumnName2"];