vb.net combobox
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Affichage des articles dont le libellé est vb.net combobox. Afficher tous les articles

VB.Net Populate Combobox From Text File

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How To Bind A ComboBox With Values From Text File Using Visual Basic .Net

Populate Combobox From Text File Using VB.Net
In this VB.NET Tutorial we will see How To Import And Display Data From a Text File to a Combobox Using File.ReadAllLines() To Return An Array Of String In Visual Basic.Net   Programming Language And Visual  Studio Editor.


Project Source Code:


Imports System.IO

Public Class TXT_To_COMBO

    Private Sub TXT_To_COMBO_Load(sender As Object, e As EventArgs) Handles MyBase.Load
         
        ' get and read all lines from the text file
        ' return an array of string
        Dim lines() As String = File.ReadAllLines("C:\Users\1BestCsharp\Desktop\table2.txt")

        ' set lines as datasource
        ComboBox1.DataSource = lines

    End Sub
End Class


OutPut:

Fill Combobox From TXT File Using VB.Net

VB.Net Display MySQL Data Depending On Combobox Value

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How To Show Values From MySQL DataBase Based On ComboBox Value In VbNet

VB.Net Display MySQL Database Values Based On Combobox Value
In This VB.Net Tutorial  We Will See How To Display Data From MySQL DataBase And Set Vaues Into TextBoxes And DateTimePicker According To ComboBox Selected Value Using   Visual Basic.Net Programming Language And Visual Studio Editor.


Project Source Code:

Imports MySql.Data.MySqlClient

Public Class Display_Data_From_MySQL_Depending_On_Combobox_Value

    Dim connection As New MySqlConnection("datasource=localhost;port=3306;username=root;password=")

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

        ' fill combobox from database using MySqlDataAdapter

        Dim adapter As New MySqlDataAdapter("SELECT `Id` FROM s_t_d.student", connection)
        Dim table As New DataTable()

        adapter.Fill(table)

        ComboBox1.DataSource = table

        ComboBox1.ValueMember = "Id"
        ComboBox1.DisplayMember = "Id"

    End Sub

    Private Sub ButtonShow_Click(sender As Object, e As EventArgs) Handles ButtonShow.Click

        Dim adapter2 As New MySqlDataAdapter("SELECT `Id`, `FullName`, `Address`, `BirthDate` FROM s_t_d.student WHERE id=" & ComboBox1.SelectedValue, connection)
        Dim table As New DataTable()

        adapter2.Fill(table)

        TextBox1.Text = table(0)(1)
        TextBox2.Text = table(0)(2)
        DateTimePicker1.Value = table(0)(3)

    End Sub
End Class
      
///////////////OUTPUT:

Show Data From MySQL Based On ComboBox Using Vb.Net

VB.Net Populate ComboBox With MySQL Data

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How To Fill A Combobox From MySQL DataBase In VbNet

Fill ComboBox From MySQL DataBase In VB.Net
In This VB.Net Tutorial  We Will See How To Add Data From MySQL DataBase Into A Combobox Using DataTable In Visual Basic.Net Programming Language And Visual Studio Editor.


Project Source Code:

Imports MySql.Data.MySqlClient

Public Class Populate_Combobox_From_MySQL

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

        Dim connection As New MySqlConnection("datasource=localhost;port=3306;username=root;password=")
        Dim adapter As New MySqlDataAdapter("SELECT `Id`, `FullName`, `Address`, `BirthDate` FROM s_t_d.student", connection)
        Dim table As New DataTable()

        adapter.Fill(table)

        ComboBox1.DataSource = table

        ComboBox1.ValueMember = "Id"
        ComboBox1.DisplayMember = "FullName"

    End Sub
End Class
      
///////////////OUTPUT:

VBNET Combobox With Data From MySQL

VB.Net Populate Combobox From Datatable

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How To Fill A Combobox Using A DataTable In Visual Basic.Net 

Populate Combobox From Datatable Using VB.Net
In This VB.Net Tutorial  We Will See How To Populate A ComboBox From DataTable In Form Load Using Visual Basic.Net Programming Language And Visual Studio Editor.


Project Source Code:

Public Class PopulateComboboxFromDatatable

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

        Dim table As New DataTable()
        table.Columns.Add("id")
        table.Columns.Add("username")

        table.Rows.Add("1", "UN1")
        table.Rows.Add("2", "UN2")
        table.Rows.Add("3", "UN3")
        table.Rows.Add("4", "UN4")
        table.Rows.Add("5", "UN5")
        table.Rows.Add("6", "UN6")

        ComboBox1.DataSource = table
        ComboBox1.DisplayMember = "username"

    End Sub
End Class
      
///////////////OUTPUT:

































filling combobx from datatable in vb.net






















    















            

          

          

        

          

        













VB.Net Add ITem To ComboBox

















 Add Comment 




























































How To Add Value To A Combobox Using Visual Basic.Net 





vbnet add items to combobox











In This VB.Net Tutorial  We Will See How To Insert Values To ComboBox From TextBox Or Another ComboBox On Button Click In Visual Basic.Net Programming Language And Visual Studio Editor.













  
          
    
  

  


Project Source Code:







Public Class AddValueToCombobox







    Private Sub BTN_ADDVal_Click(sender As Object, e As EventArgs) Handles BTN_ADDVal.Click







       ' add value from textbox



        ComboBox1.Items.Add(TextBox1.Text)



       ' add value from textbox in specific index



        ComboBox1.Items.Insert(0, TextBox1.Text)



        ' add value from another combobox



        ComboBox1.Items.Add(ComboBox2.SelectedItem)







    End Sub



End Class



      



///////////////OUTPUT:

















































add item to combobox using vb.net


















    















        

      















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