C# - How add values to DataGridView (with source in DataTable)

DataTable table = new DataTable();

table.Columns.Add(new DataColumn( "Text", typeof( string ) ) );
table.Columns.Add(new DataColumn( "Number", typeof( double ) ) );

table.Rows.Add( new object[] { "Value 1", 1 } );
table.Rows.Add( new object[] { "Value 2", 2 } );
table.Rows.Add( new object[] { "Value 3", 3 } );

dataGridView1.DataSource = table;

Output:

C# - How to add items to ListBox from DataTable

DataTable table = new DataTable();

table.Columns.Add( new DataColumn( "Text", typeof( string ) ) );
table.Columns.Add( new DataColumn( "Number", typeof( double ) ) );

table.Rows.Add( new object[] { "Value 1", 1 } );
table.Rows.Add( new object[] { "Value 2", 2 } );
table.Rows.Add( new object[] { "Value 3", 3 } );

listBox1.DisplayMember = "Text";
listBox1.DataSource = table;

Output: