Visual Basic .NET Tutorial 53 -How to import excel file to datagridview ...

Public Class Form1


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        
        Try

            Dim MyConnection As System.Data.OleDb.OleDbConnection
            Dim dataSet As System.Data.DataSet
            Dim MyCommand As System.Data.OleDb.OleDbDataAdapter
            Dim path As String = "C:\\Users\\dwishika\\Desktop\\vids\\excel\\Book1.xlsx"

            MyConnection = New System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;")
            MyCommand = New System.Data.OleDb.OleDbDataAdapter("select * from [Sheet1$]", MyConnection)

            dataSet = New System.Data.DataSet
            MyCommand.Fill(dataSet)
            DataGridView1.DataSource = dataSet.Tables(0)

            MyConnection.Close()
        Catch ex As Exception
            MsgBox(ex.Message.ToString)
        End Try

    End Sub
End Class

---------------------------------------

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How to import data from Excel to Datagrid‎
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Visual Basic .NET Tutorial 53 -How to import excel file to datagridview ...

Public Class Form1


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        
        Try

            Dim MyConnection As System.Data.OleDb.OleDbConnection
            Dim dataSet As System.Data.DataSet
            Dim MyCommand As System.Data.OleDb.OleDbDataAdapter
            Dim path As String = "C:\\Users\\dwishika\\Desktop\\vids\\excel\\Book1.xlsx"

            MyConnection = New System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;")
            MyCommand = New System.Data.OleDb.OleDbDataAdapter("select * from [Sheet1$]", MyConnection)

            dataSet = New System.Data.DataSet
            MyCommand.Fill(dataSet)
            DataGridView1.DataSource = dataSet.Tables(0)

            MyConnection.Close()
        Catch ex As Exception
            MsgBox(ex.Message.ToString)
        End Try

    End Sub
End Class

---------------------------------------

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How to import data from Excel to Datagrid‎
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Visual Basic .NET Tutorial 52 - How to Display Google Maps in VB.NET

Imports System.Text
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim street As String = TextBox_street.Text
        Dim city As String = TextBox_city.Text
        Dim state As String = TextBox_state.Text
        Dim zip As String = TextBox_zip.Text

        Try
            Dim queryAddress As New StringBuilder
            queryAddress.Append("http://maps.google.com/maps?q=")

            If TextBox_street.Text <> String.Empty Then
                queryAddress.Append(street + "," & "+")
            End If
            If TextBox_city.Text <> String.Empty Then
                queryAddress.Append(city + "," & "+")
            End If
            If TextBox_state.Text <> String.Empty Then
                queryAddress.Append(state + "," & "+")
            End If
            If TextBox_zip.Text <> String.Empty Then
                queryAddress.Append(zip + "," & "+")
            End If

            WebBrowser1.Navigate(queryAddress.ToString)

        Catch ex As Exception
            MessageBox.Show("Unable to retrive date")
        End Try

    End Sub
End Class

---------------------------------------------------------------

Show Your Data on Google Map using VB.NET
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Visual Basic .NET Tutorial 50 - Add table into existing PDF using iText...

Imports iTextSharp.text.pdf
Imports iTextSharp.text
Imports System.IO
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim pdfDoc As New Document()
            Dim pdfWrite As PdfWriter =
            PdfWriter.GetInstance(pdfDoc,
                                  New FileStream("Simple.pdf", FileMode.Create))
            pdfDoc.Open()

            Dim table As New PdfPTable(3)
            Dim cell As New PdfPCell(New Phrase("Header spanning 3 columns"))
            cell.Colspan = 3
            cell.HorizontalAlignment = 1
            '0=Left, 1=Centre, 2=Right
            table.AddCell(cell)
            table.AddCell("Col 1 Row 1")
            table.AddCell("Col 2 Row 1")
            table.AddCell("Col 3 Row 1")

            table.AddCell("Col 1 Row 2")
            table.AddCell("Col 2 Row 2")
            table.AddCell("Col 3 Row 2")

            pdfDoc.Add(table)
           
            pdfDoc.Close()

        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
       
    End Sub
End Class

-------------------------------------------------------

How to specify the position of the table in a pdf file using iTextsharp

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iTextSharp-Introducing-Tables

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Visual Basic .NET Tutorial 49 - Working with images in iTextSharp PDF file

Imports iTextSharp.text.pdf
Imports iTextSharp.text
Imports System.IO
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim pdfDoc As New Document()
            Dim pdfWrite As PdfWriter =
            PdfWriter.GetInstance(pdfDoc,
                                  New FileStream("Simple.pdf", FileMode.Create))
            pdfDoc.Open()
            pdfDoc.Add(New Paragraph("Show Image"))

            Dim img As Image = Image.GetInstance("vb36.png")
            img.ScalePercent(50.0F)
            img.ScaleToFit(250.0F, 250.0F)
            img.Border = Rectangle.BOX
            img.BorderColor = iTextSharp.text.BaseColor.GREEN
            img.BorderWidth = 10.0F
            pdfDoc.Add(img)

           
            pdfDoc.Close()

        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
       
    End Sub
End Class

--------------------------------------------

VB.NET- ITextSharp - working with images

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Visual Basic .NET Tutorial 48 - How to create Lists with iTextSharp PDF ...

Imports iTextSharp.text.pdf
Imports iTextSharp.text
Imports System.IO
Public Class Form1


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim pdfDoc As New Document()
            Dim pdfWrite As PdfWriter =
            PdfWriter.GetInstance(pdfDoc,
                                  New FileStream("Simple.pdf", FileMode.Create))
            pdfDoc.Open()
            pdfDoc.Add(New Paragraph("Hello World"))

            Dim list As New List(list.UNORDERED)
            list.IndentationLeft = 30.0F
            list.Add(New ListItem("One"))

            list.Add("Two")
            list.Add("Three")
            list.Add("Four")
            list.Add("Five")
            'pdfDoc.Add(New Paragraph("List"))
            'pdfDoc.Add(list)

            Dim romanlist As New RomanList(True, 20)
            romanlist.IndentationLeft = 30.0F
            romanlist.Add(New ListItem("One"))

            romanlist.Add("Two")
            romanlist.Add("List")
            romanlist.Add(list)
            romanlist.Add("Three")
            romanlist.Add("Four")
        
            pdfDoc.Add(New Paragraph("RomanList"))
            pdfDoc.Add(romanlist)


            pdfDoc.Close()

        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
       
    End Sub
End Class

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Visual Basic .NET Tutorial 48 - How to create Lists with iTextSharp PDF ...

Imports iTextSharp.text.pdf
Imports iTextSharp.text
Imports System.IO
Public Class Form1


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim pdfDoc As New Document()
            Dim pdfWrite As PdfWriter =
            PdfWriter.GetInstance(pdfDoc,
                                  New FileStream("Simple.pdf", FileMode.Create))
            pdfDoc.Open()
            pdfDoc.Add(New Paragraph("Hello World"))

            Dim list As New List(list.UNORDERED)
            list.IndentationLeft = 30.0F
            list.Add(New ListItem("One"))

            list.Add("Two")
            list.Add("Three")
            list.Add("Four")
            list.Add("Five")
            'pdfDoc.Add(New Paragraph("List"))
            'pdfDoc.Add(list)

            Dim romanlist As New RomanList(True, 20)
            romanlist.IndentationLeft = 30.0F
            romanlist.Add(New ListItem("One"))

            romanlist.Add("Two")
            romanlist.Add("List")
            romanlist.Add(list)
            romanlist.Add("Three")
            romanlist.Add("Four")
        
            pdfDoc.Add(New Paragraph("RomanList"))
            pdfDoc.Add(romanlist)


            pdfDoc.Close()

        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
       
    End Sub
End Class

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Visual Basic .NET Tutorial 47 - iTextSharp : How to create PDF file in ...

Imports iTextSharp.text.pdf
Imports iTextSharp.text
Imports System.IO
Public Class Form1


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button_CREATE_PDF.Click
        Dim pdfDoc As New Document()
        Dim pdfWrite As PdfWriter = PdfWriter.GetInstance(pdfDoc, New FileStream("Simple.pdf", FileMode.Create))

        pdfDoc.Open()
        pdfDoc.Add(New Paragraph("Hello World"))
        pdfDoc.NewPage()
        pdfDoc.Add(New Paragraph("Hello World Again"))
        pdfDoc.Close()
    End Sub
End Class

---------------------------------------------------------------------------------

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Visual Basic .NET Tutorial 45 - How To Use DataGridView (Remove rows)

Private Sub REMOVE_ROW_Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        If DataGridView1.SelectedRows.Count > 0 Then
            For i As Integer = DataGridView1.SelectedRows.Count - 1 To 0 Step -1
                DataGridView1.Rows.RemoveAt(DataGridView1.SelectedRows(i).Index)

            Next
        Else
            MessageBox.Show("No rows to select")
        End If

    End Sub

--------------------------------------------

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Visual Basic .NET Tutorial 44 - How To Use DataGridView (Adding rows)

-----------------------------------------

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MySQL VB.NET Tutorial 19 : How to use DateTimePicker and save date in D...

MySQL VB.NET Tutorial 14 : Search data in database and Filter in datagri...

Private Sub Search_txt_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Search_txt.TextChanged

        Dim DV As New DataView(dbDataSet)
        DV.RowFilter = String.Format("name Like '%{0}%'", Search_txt.Text)
        DataGridView1.DataSource = DV

    End Sub

--------------------------------------------------

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Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"
        Dim READER As MySqlDataReader
        Try
            MysqlConn.Open()
            Dim Query As String
            Query = "select *  from database.edata"
            COMMAND = New MySqlCommand(Query, MysqlConn)
            READER = COMMAND.ExecuteReader
            While READER.Read
                Dim sName = READER.GetString("name")
                ComboBox1.Items.Add(sName)

            End While
            MysqlConn.Close()
        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()
        End Try

    End Sub

--------------------------------------------------------

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MySQL VB.NET Tutorial 8 : Deleting selected data from database

Private Sub Button_Delete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"
        Dim READER As MySqlDataReader


        Try
            MysqlConn.Open()
            Dim Query As String
            Query ="Delete from database.edata where eid='" & TextBox_Eid.text &"'"
            COMMAND = New MySqlCommand(Query, MysqlConn)
            READER = COMMAND.ExecuteReader

            MessageBox.Show("Data Deleted")
            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try
    End Sub

----------------------------------------------------

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Private Sub Button_Delete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"
        Dim READER As MySqlDataReader


        Try
            MysqlConn.Open()
            Dim Query As String
            Query ="Delete from database.edata where eid='" & TextBox_Eid.text &"'"
            COMMAND = New MySqlCommand(Query, MysqlConn)
            READER = COMMAND.ExecuteReader

            MessageBox.Show("Data Deleted")
            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try
    End Sub

----------------------------------------------------

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MySQL VB.NET Tutorial 6 : Insert/Save data to database

Imports MySql.Data.MySqlClient
Public Class Form2
    Dim MysqlConn As MySqlConnection
    Dim COMMAND As MySqlCommand
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Form1.Show()
        Me.Hide()

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"
        Dim READER As MySqlDataReader


        Try
            MysqlConn.Open()
            Dim Query As String
            Query = "insert into database.edata (eid,name,surname,age) values ('" & TextBox_Eid.Text & "','" & TextBox_Name.Text & "','" & TextBox_SName.Text & "','" & TextBox_Age.Text & "')"
            COMMAND = New MySqlCommand(Query, MysqlConn)
            READER = COMMAND.ExecuteReader

            MessageBox.Show("Data Saved")
            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try
    End Sub
End Class

------------------------------------------------------------------

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-------------------------------------------------

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---------------------------------------------------

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MySQL VB.NET Tutorial 3 : Create Login Form with MySql and VB.NET (Part 2)

Imports MySql.Data.MySqlClient

Public Class Form1
    Dim MysqlConn As MySqlConnection
    Dim COMMAND As MySqlCommand




    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"

        Try
            MysqlConn.Open()
            MessageBox.Show("Connection Successful")
            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try

    End Sub

    Private Sub Login_Btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Login_Btn.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"
        Dim READER As MySqlDataReader


        Try
            MysqlConn.Open()
            Dim Query As String
            Query = "select * from database.edata where user_name='" & TextBox_UN.Text & "' and password='" & TextBox_Pass.Text & "' "
            COMMAND = New MySqlCommand(Query, MysqlConn)
            READER = COMMAND.ExecuteReader
            Dim count As Integer
            count = 0
            While READER.Read
                count = count + 1

            End While

            If count = 1 Then
                MessageBox.Show("Username and password are correct")
            ElseIf count > 1 Then
                MessageBox.Show("Username and password are Duplicate")
            Else
                MessageBox.Show("Username and password are not correct")

            End If


            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try
    End Sub
End Class

MySQL VB.NET Tutorial 2 : Create Login Form with MySql and VB.NET (Part 1)

Imports MySql.Data.MySqlClient

Public Class Form1
    Dim MysqlConn As MySqlConnection
    Dim COMMAND As MySqlCommand




    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"

        Try
            MysqlConn.Open()
            MessageBox.Show("Connection Successful")
            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try

    End Sub

    Private Sub Login_Btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Login_Btn.Click
        MysqlConn = New MySqlConnection
        MysqlConn.ConnectionString =
       "server=localhost;userid=root;password=root;database=database"
        Dim READER As MySqlDataReader


        Try
            MysqlConn.Open()
            Dim Query As String
            Query = "select * from database.edata where user_name='" & TextBox_UN.Text & "' and password='" & TextBox_Pass.Text & "' "
            COMMAND = New MySqlCommand(Query, MysqlConn)
            READER = COMMAND.ExecuteReader
            Dim count As Integer
            count = 0
            While READER.Read
                count = count + 1

            End While

            If count = 1 Then
                MessageBox.Show("Username and password are correct")
            ElseIf count > 1 Then
                MessageBox.Show("Username and password are Duplicate")
            Else
                MessageBox.Show("Username and password are not correct")

            End If


            MysqlConn.Close()

        Catch ex As MySqlException
            MessageBox.Show(ex.Message)
        Finally
            MysqlConn.Dispose()

        End Try
    End Sub
End Class

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