行、列を生成する

dataGridView1->ColumnCount = 5;

dataGridView1->Columns[ 0 ]->Name = "１行目";
dataGridView1->Columns[ 1 ]->Name = "２行目";
dataGridView1->Columns[ 2 ]->Name = "３行目";
dataGridView1->Columns[ 3 ]->Name = "４行目";
dataGridView1->Columns[ 4 ]->Name = "５行目";

array<String^>^row0 = {"001","A","January","Sunday","one"};
array<String^>^row1 = {"002","B","February","Monday","two"};
array<String^>^row2 = {"003","C","March","Tuesday","three"};
array<String^>^row3 = {"004","D","April","Wednesday","four"};
array<String^>^row4 = {"005","E","May","Thursday","five"};
array<String^>^row5 = {"006","F","June","Friday","six"};

DataGridViewRowCollection^ rows = dataGridView1->Rows;
rows->Add( row0 );
rows->Add( row1 );
rows->Add( row2 );
rows->Add( row3 );
rows->Add( row4 );
rows->Add( row5 );
rows->Add( "007","G","July","Saturday","Saturday" );