📄 empyroll.vb
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End Sub
Private Sub btnNavFirst_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNavFirst.Click
Me.BindingContext(objnewEmpDS, "tblEmployee").Position = 0
Me.objnewEmpDS_PositionChanged()
End Sub
Private Sub btnLast_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLast.Click
Me.BindingContext(objnewEmpDS, "tblEmployee").Position = (Me.objnewEmpDS.Tables("tblEmployee").Rows.Count - 1)
Me.objnewEmpDS_PositionChanged()
End Sub
Private Sub btnNavPrev_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNavPrev.Click
Me.BindingContext(objnewEmpDS, "tblEmployee").Position = (Me.BindingContext(objnewEmpDS, "tblEmployee").Position - 1)
Me.objnewEmpDS_PositionChanged()
End Sub
Private Sub btnNavNext_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNavNext.Click
Me.BindingContext(objnewEmpDS, "tblEmployee").Position = (Me.BindingContext(objnewEmpDS, "tblEmployee").Position + 1)
Me.objnewEmpDS_PositionChanged()
End Sub
Private Sub objnewEmpDS_PositionChanged()
Me.lblNavLocation.Text = (((Me.BindingContext(objnewEmpDS, "tblEmployee").Position + 1).ToString + " of ") _
+ Me.BindingContext(objnewEmpDS, "tblEmployee").Count.ToString)
End Sub
Private Sub btnCancelAll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancelAll.Click
Me.objnewEmpDS.RejectChanges()
End Sub
Public Sub UpdateDataSet()
'Create a new dataset to hold the changes that have been made to the main dataset.
Dim objDataSetChanges As HRMS.newEmpDS = New HRMS.newEmpDS
'Stop any current edits.
Me.BindingContext(objnewEmpDS, "tblEmployee").EndCurrentEdit()
'Get the changes that have been made to the main dataset.
objDataSetChanges = CType(objnewEmpDS.GetChanges, HRMS.newEmpDS)
'Check to see if any changes have been made.
If (Not (objDataSetChanges) Is Nothing) Then
Try
'There are changes that need to be made, so attempt to update the datasource by
'calling the update method and passing the dataset and any parameters.
Me.UpdateDataSource(objDataSetChanges)
objnewEmpDS.Merge(objDataSetChanges)
objnewEmpDS.AcceptChanges()
Catch eUpdate As System.Exception
'Add your error handling code here.
Throw eUpdate
End Try
'Add your code to check the returned dataset for any errors that may have been
'pushed into the row object's error.
End If
End Sub
Public Sub LoadDataSet()
'Create a new dataset to hold the records returned from the call to FillDataSet.
'A temporary dataset is used because filling the existing dataset would
'require the databindings to be rebound.
Dim objDataSetTemp As HRMS.newEmpDS
objDataSetTemp = New HRMS.newEmpDS
Try
'Attempt to fill the temporary dataset.
Me.FillDataSet(objDataSetTemp)
Catch eFillDataSet As System.Exception
'Add your error handling code here.
Throw eFillDataSet
End Try
Try
'Empty the old records from the dataset.
objnewEmpDS.Clear()
'Merge the records into the main dataset.
objnewEmpDS.Merge(objDataSetTemp)
Catch eLoadMerge As System.Exception
'Add your error handling code here.
Throw eLoadMerge
End Try
End Sub
Public Sub UpdateDataSource(ByVal ChangedRows As HRMS.newEmpDS)
Try
'The data source only needs to be updated if there are changes pending.
If (Not (ChangedRows) Is Nothing) Then
'Open the connection.
Me.OleDbConnection1.Open()
'Attempt to update the data source.
OleDbDataAdapter1.Update(ChangedRows)
End If
Catch updateException As System.Exception
'Add your error handling code here.
Throw updateException
Finally
'Close the connection whether or not the exception was thrown.
Me.OleDbConnection1.Close()
End Try
End Sub
Public Sub FillDataSet(ByVal dataSet As HRMS.newEmpDS)
'Turn off constraint checking before the dataset is filled.
'This allows the adapters to fill the dataset without concern
'for dependencies between the tables.
dataSet.EnforceConstraints = False
Try
'Open the connection.
Me.OleDbConnection1.Open()
'Attempt to fill the dataset through the OleDbDataAdapter1.
Me.OleDbDataAdapter1.Fill(dataSet)
Catch fillException As System.Exception
'Add your error handling code here.
Throw fillException
Finally
'Turn constraint checking back on.
dataSet.EnforceConstraints = True
'Close the connection whether or not the exception was thrown.
Me.OleDbConnection1.Close()
End Try
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
End Sub
Private Sub emPyroll_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
F1 = Me
Try
'Attempt to load the dataset.
Me.LoadDataSet()
Catch eLoad As System.Exception
'Add your error handling code here.
'Display error message, if any.
System.Windows.Forms.MessageBox.Show(eLoad.Message)
End Try
Me.objnewEmpDS_PositionChanged()
End Sub
Private Sub cmd_Compute_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd_Compute.Click
'i try to call genPayr from module i created
' If F2 Is Nothing Then
' F2 = New genPayr
' F2.Show()
' End If
'here I'll change it to load inside Parent Window
Dim gen As New genPayr
'gen.editemp_idno.Text = editemp_idno.Text
'gen.editemp_fname.Text = editemp_fname.Text
'gen.editemp_pos.Text = editemp_pos.Text
'gen.editemp_stat.Text = editemp_stat.Text
gen.Show()
'here I changed it to load inside Parent Window
'but didnt work the way i want it ie. cannot take the values
'to the nxt form (genPayr)
'Dim ofrg As New genPayr
'ofrg.MdiParent = ParentForm
'ofrg.Show()
'this will refresh the form (emPayroll)
editemp_fname.Text = ""
editemp_idno.Text = ""
editemp_pos.Text = ""
editemp_stat.Text = ""
TextBox1.Text = ""
'DataGrid1.Text = ""
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim dsTemp As New DataSet3 'Staff is your staff table
'dsTemp is the temporary file for dataset2
'all records in dataset2 is copied into dsTemp file for seach
' the purpose is to prevent the dataset2 from being disturbed/distorted
Try
If TextBox1.Text = "" Then
MessageBox.Show("Search field is empty!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop)
Else
OleDbDataAdapter1.SelectCommand.CommandText = "SELECT * FROM tblEmployee where emp_idno='" + TextBox1.Text + "'"
'Adapter is the main core to Ms Access and VB connection to link the records(dataset)
'command (SQL) is written to search for record.
'Adapter--> configure the connection-->and the command to view the records
'that's the reason why OleDbDataAdapter is used througout
OleDbDataAdapter1.Fill(dsTemp) 'Adapter is ready to fill the dsTemp file
DataSet31.Clear() 'This is reading each record from Dataset2 to find the record
' Once Dataset11 Merge the found record into dsTemp.
' It clears the rest of the record from the list in order to the only record searched
DataSet31.Merge(dsTemp) 'Once system has found the record it will copy
'the record from DataSet2 to DsTemp
End If
Catch ex As Exception
End Try
Try
'Attempt to load the dataset.
Me.LoadDataSet()
Catch eLoad As System.Exception
'Add your error handling code here.
'Display error message, if any.
System.Windows.Forms.MessageBox.Show(eLoad.Message)
End Try
Me.objnewEmpDS_PositionChanged()
End Sub
Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Me.Close()
End Sub
End Class
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