DataTable.NewRow - Combine DataRow Object and String From Another
Is there a way I can essentially create a New Object to insert as a New Row in a Datatable using the existing DataRow plus an additional string?
Essentially I clone a Datatable but then add another 2 columns in to this Datatable and wish to update the cloned datatable with both the data from the original table from which it was cloned, plus additional information in this case who it was Assigned To and on what date.
I tried the following attempting to create a New Object using 'r' the DataRow in result and then additionally added 2 strings, however I receive an error.
Private Shared Sub PopulatedCurrAssigned
_currAssigneddt = Config.MasterTbl.Clone()
_currAssigneddt.Columns.Add("Assigned Date", GetType(DateTime))
_currAssigneddt.Columns.Add("Assigned To", GetType(String))
Dim MasterTbl As DataTable = config.MasterTbl
Dim actiontbl as DataTable = config.RefreshMasterActionTbl()
For Each row In MasterTbl.Rows
Dim result() as DataRow = actiontbl.Select("FreshAppsID = '" & row("FreshAppsID") & "'")
If result.Count() > 0 Then
For each r as DataRow in result
_currAssigneddt.Rows.Add(New Object() {r, "New", "New"})
Next
End If
Next
End Sub
Any suggestions or assistance is greatly appreciated.
Update
Tried the below suggestion from Rango and got the following:
System.ArgumentException
HResult=0x80070057
Message=Unable to cast object of type 'System.Object' to type
'System.IConvertible'.Couldn't store <System.Object> in Ledger Date Column.
Expected type is DateTime.
Source=System.Data
Inner Exception 1:
InvalidCastException: Unable to cast object of type 'System.Object' to type
'System.IConvertible'.
Update 2
My mistake for the error I had removed the declaration out of the variable as a DataRow.
I added this back in and it rectified the problem.
vb.net
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
add a comment |
Is there a way I can essentially create a New Object to insert as a New Row in a Datatable using the existing DataRow plus an additional string?
Essentially I clone a Datatable but then add another 2 columns in to this Datatable and wish to update the cloned datatable with both the data from the original table from which it was cloned, plus additional information in this case who it was Assigned To and on what date.
I tried the following attempting to create a New Object using 'r' the DataRow in result and then additionally added 2 strings, however I receive an error.
Private Shared Sub PopulatedCurrAssigned
_currAssigneddt = Config.MasterTbl.Clone()
_currAssigneddt.Columns.Add("Assigned Date", GetType(DateTime))
_currAssigneddt.Columns.Add("Assigned To", GetType(String))
Dim MasterTbl As DataTable = config.MasterTbl
Dim actiontbl as DataTable = config.RefreshMasterActionTbl()
For Each row In MasterTbl.Rows
Dim result() as DataRow = actiontbl.Select("FreshAppsID = '" & row("FreshAppsID") & "'")
If result.Count() > 0 Then
For each r as DataRow in result
_currAssigneddt.Rows.Add(New Object() {r, "New", "New"})
Next
End If
Next
End Sub
Any suggestions or assistance is greatly appreciated.
Update
Tried the below suggestion from Rango and got the following:
System.ArgumentException
HResult=0x80070057
Message=Unable to cast object of type 'System.Object' to type
'System.IConvertible'.Couldn't store <System.Object> in Ledger Date Column.
Expected type is DateTime.
Source=System.Data
Inner Exception 1:
InvalidCastException: Unable to cast object of type 'System.Object' to type
'System.IConvertible'.
Update 2
My mistake for the error I had removed the declaration out of the variable as a DataRow.
I added this back in and it rectified the problem.
vb.net
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
add a comment |
Is there a way I can essentially create a New Object to insert as a New Row in a Datatable using the existing DataRow plus an additional string?
Essentially I clone a Datatable but then add another 2 columns in to this Datatable and wish to update the cloned datatable with both the data from the original table from which it was cloned, plus additional information in this case who it was Assigned To and on what date.
I tried the following attempting to create a New Object using 'r' the DataRow in result and then additionally added 2 strings, however I receive an error.
Private Shared Sub PopulatedCurrAssigned
_currAssigneddt = Config.MasterTbl.Clone()
_currAssigneddt.Columns.Add("Assigned Date", GetType(DateTime))
_currAssigneddt.Columns.Add("Assigned To", GetType(String))
Dim MasterTbl As DataTable = config.MasterTbl
Dim actiontbl as DataTable = config.RefreshMasterActionTbl()
For Each row In MasterTbl.Rows
Dim result() as DataRow = actiontbl.Select("FreshAppsID = '" & row("FreshAppsID") & "'")
If result.Count() > 0 Then
For each r as DataRow in result
_currAssigneddt.Rows.Add(New Object() {r, "New", "New"})
Next
End If
Next
End Sub
Any suggestions or assistance is greatly appreciated.
Update
Tried the below suggestion from Rango and got the following:
System.ArgumentException
HResult=0x80070057
Message=Unable to cast object of type 'System.Object' to type
'System.IConvertible'.Couldn't store <System.Object> in Ledger Date Column.
Expected type is DateTime.
Source=System.Data
Inner Exception 1:
InvalidCastException: Unable to cast object of type 'System.Object' to type
'System.IConvertible'.
Update 2
My mistake for the error I had removed the declaration out of the variable as a DataRow.
I added this back in and it rectified the problem.
vb.net
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
Is there a way I can essentially create a New Object to insert as a New Row in a Datatable using the existing DataRow plus an additional string?
Essentially I clone a Datatable but then add another 2 columns in to this Datatable and wish to update the cloned datatable with both the data from the original table from which it was cloned, plus additional information in this case who it was Assigned To and on what date.
I tried the following attempting to create a New Object using 'r' the DataRow in result and then additionally added 2 strings, however I receive an error.
Private Shared Sub PopulatedCurrAssigned
_currAssigneddt = Config.MasterTbl.Clone()
_currAssigneddt.Columns.Add("Assigned Date", GetType(DateTime))
_currAssigneddt.Columns.Add("Assigned To", GetType(String))
Dim MasterTbl As DataTable = config.MasterTbl
Dim actiontbl as DataTable = config.RefreshMasterActionTbl()
For Each row In MasterTbl.Rows
Dim result() as DataRow = actiontbl.Select("FreshAppsID = '" & row("FreshAppsID") & "'")
If result.Count() > 0 Then
For each r as DataRow in result
_currAssigneddt.Rows.Add(New Object() {r, "New", "New"})
Next
End If
Next
End Sub
Any suggestions or assistance is greatly appreciated.
Update
Tried the below suggestion from Rango and got the following:
System.ArgumentException
HResult=0x80070057
Message=Unable to cast object of type 'System.Object' to type
'System.IConvertible'.Couldn't store <System.Object> in Ledger Date Column.
Expected type is DateTime.
Source=System.Data
Inner Exception 1:
InvalidCastException: Unable to cast object of type 'System.Object' to type
'System.IConvertible'.
Update 2
My mistake for the error I had removed the declaration out of the variable as a DataRow.
I added this back in and it rectified the problem.
vb.net
vb.net
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
edited Nov 28 '18 at 13:58
Lynchie
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
asked Nov 28 '18 at 13:26
LynchieLynchie
447825
447825
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You could use:
_currAssigneddt.Rows.Add(r.ItemArray.Concat({Date.Now, "Name of Person"}).ToArray())
Although this is not very efficient, i'd prefer (fixing also the type issue in your example):
Dim newRow = _currAssigneddt.Rows.Add(r.ItemArray)
newRow("Assigned Date") = Date.Now
newRow("Assigned To") = "Name of Person"
This is much better readable, type safe and doesn't rely on indexes of the (new) columns.
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign"New". I have edited my answer
– Rango
Nov 28 '18 at 13:54
add a comment |
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1 Answer
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active
oldest
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You could use:
_currAssigneddt.Rows.Add(r.ItemArray.Concat({Date.Now, "Name of Person"}).ToArray())
Although this is not very efficient, i'd prefer (fixing also the type issue in your example):
Dim newRow = _currAssigneddt.Rows.Add(r.ItemArray)
newRow("Assigned Date") = Date.Now
newRow("Assigned To") = "Name of Person"
This is much better readable, type safe and doesn't rely on indexes of the (new) columns.
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign"New". I have edited my answer
– Rango
Nov 28 '18 at 13:54
add a comment |
You could use:
_currAssigneddt.Rows.Add(r.ItemArray.Concat({Date.Now, "Name of Person"}).ToArray())
Although this is not very efficient, i'd prefer (fixing also the type issue in your example):
Dim newRow = _currAssigneddt.Rows.Add(r.ItemArray)
newRow("Assigned Date") = Date.Now
newRow("Assigned To") = "Name of Person"
This is much better readable, type safe and doesn't rely on indexes of the (new) columns.
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign"New". I have edited my answer
– Rango
Nov 28 '18 at 13:54
add a comment |
You could use:
_currAssigneddt.Rows.Add(r.ItemArray.Concat({Date.Now, "Name of Person"}).ToArray())
Although this is not very efficient, i'd prefer (fixing also the type issue in your example):
Dim newRow = _currAssigneddt.Rows.Add(r.ItemArray)
newRow("Assigned Date") = Date.Now
newRow("Assigned To") = "Name of Person"
This is much better readable, type safe and doesn't rely on indexes of the (new) columns.
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
You could use:
_currAssigneddt.Rows.Add(r.ItemArray.Concat({Date.Now, "Name of Person"}).ToArray())
Although this is not very efficient, i'd prefer (fixing also the type issue in your example):
Dim newRow = _currAssigneddt.Rows.Add(r.ItemArray)
newRow("Assigned Date") = Date.Now
newRow("Assigned To") = "Name of Person"
This is much better readable, type safe and doesn't rely on indexes of the (new) columns.
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
edited Nov 28 '18 at 13:55
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
answered Nov 28 '18 at 13:32
RangoRango
366k46474734
366k46474734
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign"New". I have edited my answer
– Rango
Nov 28 '18 at 13:54
add a comment |
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign"New". I have edited my answer
– Rango
Nov 28 '18 at 13:54
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
Hi bud got the error I've edited above.
– Lynchie
Nov 28 '18 at 13:51
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign
"New". I have edited my answer– Rango
Nov 28 '18 at 13:54
@Lynchie: you get this error because of your bad sample data. You add a DateTime column and then you try to assign
"New". I have edited my answer– Rango
Nov 28 '18 at 13:54
add a comment |
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