我的程序代码如下:
string getName = "SELECT [student_id],[name] FROM [student] WHERE [specialty]='"
+ ddl_specialty.SelectedValue + "'";
SqlConnection cn = new SqlConnection(strconn);
SqlCommand cm = new SqlCommand(getName, cn);
SqlDataAdapter da = new SqlDataAdapter(cm);
DataSet ds = new DataSet();
da.Fill(ds);
ddl_name.DataSource = ds.Tables[0];
ddl_name.DataTextField = "name";
ddl_name.DataValueField = "student_id";
ddl_name.DataBind();我想从控件ddl_name中得到 name 可以用 ddl_name.SelectedItem.Text,但是我要想得到student_id该怎么写呢??
string getName = "SELECT [student_id],[name] FROM [student] WHERE [specialty]='"
+ ddl_specialty.SelectedValue + "'";
SqlConnection cn = new SqlConnection(strconn);
SqlCommand cm = new SqlCommand(getName, cn);
SqlDataAdapter da = new SqlDataAdapter(cm);
DataSet ds = new DataSet();
da.Fill(ds);
ddl_name.DataSource = ds.Tables[0];
ddl_name.DataTextField = "name";
ddl_name.DataValueField = "student_id";
ddl_name.DataBind();我想从控件ddl_name中得到 name 可以用 ddl_name.SelectedItem.Text,但是我要想得到student_id该怎么写呢??
解决方案 »
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