请教,如何比较两个字符串的大小...
1.string h1="0401";
string h2="0451";
if (h1<h2)
{....}
这样比较会出错,如何比较字符串的大小
2.修改 DataSet 中的数据出错
DataSet DA_SPDJ=new DataSet();
SqlDataAdapter Dapt_SPDJ=new SqlDataAdapter("SELECT Field_F FROM SPDJ", Conn1);
Dapt_SPDJ.Fill(DA_SPDJ, "SPDJ");
DataTable TA_SPDJ=DA_SPDJ.Tables["SPDJ"];
TA_SPDJ.Rows(1)(Field_F)=1000; //修改,语句有错