winform 判断datagridview 数据是否发生改变
因为form里面有多个datagridview 而只有一个按钮,我想实现的功能就是当第一个datagridview 的数据改变是保存第一个
ocnn = new OleDbConnection(connections);
ocnn.Open();
if ()//这里如何去判断datagridview1是否发生变化
{
DataTable dt = (DataTable)dgv_Data.DataSource;
string sql = "select MaterielRegiser_Number as 货料编号,MaterielRegiser_Name as 货料名称,MaterielRegiser_Model as 规格型号,MaterielRegiser_Unit as 单位 from MIS_MaterielRegiser";
oda = new OleDbDataAdapter(sql, ocnn);
ocb = new OleDbCommandBuilder(oda);
ocb.QuotePrefix = "[";
ocb.QuoteSuffix = "]";
oda.Update(dt);
ocnn.Close();
}
else if()//第二个发生变化保存第二个{
//……
}