紧急求救，修改记录失败

Question

int a=Convert.ToInt32(DropDownList1.SelectedItem.Value);
int b=Convert.ToInt32(DropDownList2.SelectedItem.Value);
int c=Convert.ToInt32(DropDownList1.SelectedItem.Value);
int d=Convert.ToInt32(DropDownList1.SelectedItem.Value);--->string a=Convert.ToString(DropDownList1.SelectedItem.Value);
string b=Convert.ToString(DropDownList2.SelectedItem.Value);
string c=Convert.ToString(DropDownList1.SelectedItem.Value);
string d=Convert.ToString(DropDownList1.SelectedItem.Value);

Answer 1

难道你的这句话
cmd.Parameters["@players"].Value="#"+a+"#"+b+"#"+c+"#"+d+"#";
不抱错～