public void bigclass_Delete(object sender, DataGridCommandEventArgs e)
{
}
我想在这段事件中从aa表中选择bb字段,如果不为空则弹出一个警告框,就是类似alert的效果,为空则执行这些语句:
SqlConnection connDel = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);
connDel.Open();
String sql_Del = "update bigclass" +
" set isvalid=1"+
" WHERE bigclassid = " + e.Item.Cells[0].Text; SqlCommand sqlCommandDel = new SqlCommand(sql_Del,connDel);
sqlCommandDel.ExecuteNonQuery();
connDel.Close();
{
}
我想在这段事件中从aa表中选择bb字段,如果不为空则弹出一个警告框,就是类似alert的效果,为空则执行这些语句:
SqlConnection connDel = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);
connDel.Open();
String sql_Del = "update bigclass" +
" set isvalid=1"+
" WHERE bigclassid = " + e.Item.Cells[0].Text; SqlCommand sqlCommandDel = new SqlCommand(sql_Del,connDel);
sqlCommandDel.ExecuteNonQuery();
connDel.Close();
if(DataReader["bb"].toString() != DbNull.Value)
{
string script = "<script language=\"JavaScript\">alert(\"" + "bb值不为Null" + "\");</script>";
page.RegisterClientScriptBlock("alert", script);
}
else
{
//…………
}
<script language="javascript">alert("提示的内容")</script>
<script language="vbscript">msgbox("提示的内容")</script>