vb.net表字段求和

vb.net datagridview列求和

String[] s={"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

String str=br.readLine();

int m=Integer.parseInt(str);

{

VB.NET 中datagrid一列怎么求和

Dim textColumn As New DataGridViewTextBoxColumn() '定义一个新的textbox格式的列

textColumn.Name = "Column1" '定义该列的Name

textColumn.HeaderText = "Column1" '定义该列的标题

DataGridView1.Columns.Add(textColumn)

For Each r As DataGridViewRow In DataGridView1.Rows '循环DataGridView的行

r.Cells(textColumn.Index).Value = r.Cells(0).Value + r.Cells(1).Value '将第一列和第二列单元格数据相加,并显示在新添加的单元格上

Next

vb.net中怎么对listview字段中的数据进行求和

循环相加即可

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

Dim?sum?As?Double?=?0

For?i?=?0?To?ListView1.Items.Count?-?1?'

MsgBox("消费金额："?sum)

End?Sub

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