VB.NET : The Easy Way : Search Data in SQL Server Database File (.mdf) using BindingSource Filter

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🚀 4K UHD : Visual Basic .NET Project : The Easy Way! - How to Search Data in SQL Server Database File (.mdf) using BindingSource Filter in Visual Studio 2019.
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🚀 Visual C# .NET version: https://youtu.be/686n651zAxc

VB.NET Source Code by iBasskung.

Public Class Form1

Private Sub CustomersBindingNavigatorSaveItem_Click(sender As Object, e As EventArgs) Handles CustomersBindingNavigatorSaveItem.Click

        Me.Validate()

        Me.CustomersBindingSource.EndEdit()

        Me.TableAdapterManager.UpdateAll(Me.YourDatabaseDataSet)

End Sub

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load

        'TODO: This line of code loads data into the 'YourDatabaseDataSet.Customers' table. You can move, or remove it, as needed.

        Me.CustomersTableAdapter.Fill(Me.YourDatabaseDataSet.Customers)

End Sub

Private Sub RefreshToolStripButton_Click(sender As Object, e As EventArgs) Handles RefreshToolStripButton.Click

        ' Call Sub-procedure.

        RefreshData()

End Sub

Private Sub RefreshData()

        ' Clear filter.

        Me.CustomersBindingSource.Filter = Nothing

        Me.CustomersTableAdapter.Fill(Me.YourDatabaseDataSet.Customers)

        With KeywordToolStripTextBox

            .Text = ""

            .Focus()

        End With

        AddNewButton.Text = "Add new"

End Sub

Private Sub CloseButton_Click(sender As Object, e As EventArgs) Handles CloseButton.Click

        ' Note: This is a comment.

        ' Close this window.

        Me.Close()

End Sub

Private Sub PreviousButton_Click(sender As Object, e As EventArgs) Handles PreviousButton.Click

        BindingNavigatorMovePreviousItem.PerformClick()

End Sub

Private Sub NextButton_Click(sender As Object, e As EventArgs) Handles NextButton.Click

        BindingNavigatorMoveNextItem.PerformClick()

End Sub

Private Sub AddNewButton_Click(sender As Object, e As EventArgs) Handles AddNewButton.Click

        BindingNavigatorAddNewItem.PerformClick()

End Sub

Private Sub SaveButton_Click(sender As Object, e As EventArgs) Handles SaveButton.Click

        CustomersBindingNavigatorSaveItem.PerformClick()

End Sub

Private Sub DeleteButton_Click(sender As Object, e As EventArgs) Handles DeleteButton.Click

        BindingNavigatorDeleteItem.PerformClick()

End Sub

Private Sub SearchToolStripButton_Click(sender As Object, e As EventArgs) Handles SearchToolStripButton.Click

        Dim strFilter As String = Me.KeywordToolStripTextBox.Text.Replace("'", "''")

        If String.IsNullOrEmpty(Me.KeywordToolStripTextBox.Text) Then

            RefreshData()

        Else

            Dim queryByID As String = "(Convert(CustomerID, 'System.String') = '" & strFilter & "') "

            Dim queryByName As String = "OR (CustomerName LIKE '%" & strFilter & "%') "

            Dim queryByPhone As String = "OR (MobilePhone LIKE '%" & strFilter & "%') "

            Dim queryByPage As String = "OR (FacebookPage LIKE '%" & strFilter & "%') "

            Dim queryByAddress As String = "OR (Address LIKE '%" & strFilter & "%')"

            Dim joinQuery As New System.Text.StringBuilder()

            joinQuery.Append(queryByID)

            joinQuery.Append(queryByName)

            joinQuery.Append(queryByPhone)

            joinQuery.Append(queryByPage)

            joinQuery.Append(queryByAddress)

            Me.CustomersBindingSource.Filter = joinQuery.ToString()

        End If

End Sub

Private Sub CustomersDataGridView_DataError(sender As Object, e As DataGridViewDataErrorEventArgs) Handles CustomersDataGridView.DataError

        ' Prevent the DataGridView Default Error.

        e.Cancel = True

End Sub

End Class

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