In this article I will explain with an example, how to pass (send) DataGridView values to another DataGridView in Windows Forms (WinForms) Application using C# and VB.Net.
When the Button is clicked, a loop will be executed over the rows of DataGridView and the checked (selected) rows will be passed (sent) to another DataGridView in Windows Forms (WinForms) Application using C# and VB.Net.
 
 
Form Controls
The below Form consists of two DataGridView control and a Button.
Pass (Send) DataGridView values to another DataGridView using C# and VB.Net
 
 
Namespaces
You will need to import the following namespace.

C#
using System.Data;
 
VB.Net
Imports System.Data
 
 
Populating DataGridView
Inside the Form Load event, the DataGridView is populated with a dynamic DataTable with some dummy records.
Note: For more details on populating DataGridView with dynamic DataTable, please refer my article Populate (Bind) DataGridView without using Database using C# and VB.Net.
 
Once the DataGridView is populated, dynamically a CheckBox column is added to the DataGridView in first column.
C#
private void Form1_Load(object sender, EventArgs e)
{
    this.BindDataGridView();
}
 
private void BindDataGridView()
{
    DataTable dt = new DataTable();
    dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
                new DataColumn("Name", typeof(string)),
                new DataColumn("Country",typeof(string)) });
    dt.Rows.Add(1, "John Hammond", "United States");
    dt.Rows.Add(2, "Mudassar Khan", "India");
    dt.Rows.Add(3, "Suzanne Mathews", "France");
    dt.Rows.Add(4, "Robert Schidner", "Russia");
    this.dataGridView1.DataSource = dt;
 
    //Add a CheckBox Column to the DataGridView at the first position.
    DataGridViewCheckBoxColumn checkBoxColumn = new DataGridViewCheckBoxColumn();
    checkBoxColumn.HeaderText = "";
    checkBoxColumn.Width = 30;
    checkBoxColumn.Name = "checkBoxColumn";
    dataGridView1.Columns.Insert(0, checkBoxColumn);
}
 
VB.Net
Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
    Me.BindDataGridView()
End Sub
 
Private Sub BindDataGridView()
    Dim dt As New DataTable()
    dt.Columns.AddRange(New DataColumn(2) {New DataColumn("Id", GetType(Integer)), New DataColumn("Name", GetType(String)), New DataColumn("Country", GetType(String))})
    dt.Rows.Add(1, "John Hammond", "United States")
    dt.Rows.Add(2, "Mudassar Khan", "India")
    dt.Rows.Add(3, "Suzanne Mathews", "France")
    dt.Rows.Add(4, "Robert Schidner", "Russia")
    Me.dataGridView1.DataSource = dt
 
    'Add a CheckBox Column to the DataGridView at the first position.
    Dim checkBoxColumn As New DataGridViewCheckBoxColumn()
    checkBoxColumn.HeaderText = ""
    checkBoxColumn.Width = 30
    checkBoxColumn.Name = "checkBoxColumn"
    dataGridView1.Columns.Insert(0, checkBoxColumn)
End Sub
 
 
Pass (Send) DataGridView values to another DataGridView
When the Transfer Button is clicked, a loop is executed over the DataGridView rows. Inside the loop, a check is performed whether the CheckBox is checked (selected) or not.
If the CheckBox is checked (selected), the values from each column (cell) of the DataGridView is fetched and is added to a DataTable.
Finally the DataTable is used to populate the other DataGridView.

C#
private void btnTransfer_Click(object sender, EventArgs e)
{
    DataTable dt = new DataTable();
    dt.Columns.Add("CustomerId");
    dt.Columns.Add("Name");
    dt.Columns.Add("Country");
    foreach (DataGridViewRow row in dataGridView1.Rows)
    {
        bool isSelected = Convert.ToBoolean(row.Cells["checkBoxColumn"].Value);
        if (isSelected)
        {
            dt.Rows.Add(row.Cells[1].Value, row.Cells[2].Value, row.Cells[3].Value);
        }
    }
    dataGridView2.DataSource = dt;
}
 
VB.Net
Private Sub btnTransfer_Click(sender As Object, e As EventArgs) Handles btnTransfer.Click
    Dim dt As New DataTable()
    dt.Columns.Add("CustomerId")
    dt.Columns.Add("Name")
    dt.Columns.Add("Country")
    For Each row As DataGridViewRow In dataGridView1.Rows
        Dim isSelected As Boolean = Convert.ToBoolean(row.Cells("checkBoxColumn").Value)
        If isSelected Then
            dt.Rows.Add(row.Cells(1).Value, row.Cells(2).Value, row.Cells(3).Value)
        End If
    Next
    dataGridView2.DataSource = dt
End Sub
 
 
Screenshot
Pass (Send) DataGridView values to another DataGridView using C# and VB.Net
 
 
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