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AnswerRe: vb.net in sql data fetching on dataGridView problem Pin
Mycroft Holmes14-Sep-19 12:44
memberMycroft Holmes14-Sep-19 12:44 
Questioni want to erase two datatables with a single button please help Pin
Augusto1008-Sep-19 7:35
memberAugusto1008-Sep-19 7:35 
AnswerRe: i want to erase two datatables with a single button please help Pin
Dave Kreskowiak8-Sep-19 16:59
mveDave Kreskowiak8-Sep-19 16:59 
GeneralRe: i want to erase two datatables with a single button please help Pin
Augusto10010-Sep-19 7:44
memberAugusto10010-Sep-19 7:44 
GeneralRe: i want to erase two datatables with a single button please help Pin
Dave Kreskowiak10-Sep-19 8:51
mveDave Kreskowiak10-Sep-19 8:51 
GeneralRe: i want to erase two datatables with a single button please help Pin
Augusto10011-Sep-19 4:14
memberAugusto10011-Sep-19 4:14 
GeneralRe: i want to erase two datatables with a single button please help Pin
Richard MacCutchan11-Sep-19 5:39
protectorRichard MacCutchan11-Sep-19 5:39 
GeneralRe: i want to erase two datatables with a single button please help Pin
Richard Deeming11-Sep-19 23:33
mveRichard Deeming11-Sep-19 23:33 
You haven't told us which line of your original post is line 41, but I'm guessing it's one of these:
CodigoInterno = Me.cmbCodigoInternoEDC.Text
CodigoInterno1 = Me.cmbCodigoInternoVH.Text

The error is telling you that the value in one of those textboxes cannot be converted to an Integer.

Specifically, the textbox is empty. An empty string cannot be converted to an Integer.

Use Integer.TryParse[^] to attempt to convert the user input to an integer. If it fails, report an error to the user.
If Not Integer.TryParse(Me.cmbCodigoInternoEDC.Text, CodigoInterno) Then
    Me.cmbCodigoInternoEDC.Focus()
    MessageBox.Show("Please enter a valid number")
    Return
End If

If Not Integer.TryParse(Me.cmbCodigoInternoVH.Text, CodigoInterno1) Then
    Me.cmbCodigoInternoVH.Focus()
    MessageBox.Show("Please enter a valid number")
    Return
End If




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GeneralRe: i want to erase two datatables with a single button please help Pin
Augusto10011-Sep-19 4:16
memberAugusto10011-Sep-19 4:16 
GeneralRe: i want to erase two datatables with a single button please help Pin
Richard MacCutchan11-Sep-19 6:38
protectorRichard MacCutchan11-Sep-19 6:38 
GeneralRe: i want to erase two datatables with a single button please help Pin
Augusto10013-Sep-19 6:58
memberAugusto10013-Sep-19 6:58 
GeneralRe: i want to erase two datatables with a single button please help Pin
Richard Deeming13-Sep-19 7:21
mveRichard Deeming13-Sep-19 7:21 
AnswerRe: i want to erase two datatables with a single button please help Pin
Richard Deeming10-Sep-19 1:33
mveRichard Deeming10-Sep-19 1:33 
QuestionHow to perform non-case search in DataGridViewComboBoxColumn Pin
speedbump993-Sep-19 8:09
memberspeedbump993-Sep-19 8:09 
SuggestionRe: How to perform non-case search in DataGridViewComboBoxColumn Pin
CHill603-Sep-19 23:38
protectorCHill603-Sep-19 23:38 
GeneralRe: How to perform non-case search in DataGridViewComboBoxColumn Pin
speedbump994-Sep-19 4:58
memberspeedbump994-Sep-19 4:58 
GeneralRe: How to perform non-case search in DataGridViewComboBoxColumn Pin
CHill605-Sep-19 0:02
protectorCHill605-Sep-19 0:02 
GeneralRe: How to perform non-case search in DataGridViewComboBoxColumn Pin
speedbump995-Sep-19 5:42
memberspeedbump995-Sep-19 5:42 
QuestionLinq, GroupBy, Select, First() or Last() Pin
jkirkerx28-Aug-19 12:38
professionaljkirkerx28-Aug-19 12:38 
AnswerRe: Linq, GroupBy, Select, First() or Last() Pin
Maciej Los28-Aug-19 21:24
protectorMaciej Los28-Aug-19 21:24 
GeneralRe: Linq, GroupBy, Select, First() or Last() Pin
jkirkerx29-Aug-19 6:59
professionaljkirkerx29-Aug-19 6:59 
AnswerRe: Linq, GroupBy, Select, First() or Last() Pin
Richard Deeming29-Aug-19 7:14
mveRichard Deeming29-Aug-19 7:14 
GeneralRe: Linq, GroupBy, Select, First() or Last() Pin
jkirkerx29-Aug-19 8:32
professionaljkirkerx29-Aug-19 8:32 
QuestionTrying to make a fixed asset program using visual studio and sql server I got a conversion error varchar to numeric Pin
Augusto10026-Aug-19 6:51
memberAugusto10026-Aug-19 6:51 
AnswerRe: Trying to make a fixed asset program using visual studio and sql server I got a conversion error varchar to numeric Pin
ZurdoDev26-Aug-19 7:38
professionalZurdoDev26-Aug-19 7:38 

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