c# - 如何在 C# 中将字符串转换为具有两位小数的货币？

Question

如何将以下结果格式化为保留 2 位小数的货币？

string query2 = "SELECT SUM (Price) FROM Bill";
OleDbDataAdapter dAdapter2 = new OleDbDataAdapter(query2, DBconn);
DataTable source = new DataTable();
dAdapter2.Fill(source);
TotalValueLabel.Text = source.Rows[0][0].ToString();

Answer 1

TotalValueLabel.Text = source.Rows[0][0].ToString("c");