![图片说明](https://img-ask.csdn.net/upload/201704/20/1492697492_123209.png)
用到的下拉框时,数据写死的话,注册窗口显示正常。
但是写成从数据库取出的数据时,注册窗口分辨率就变小了。
![图片说明](https://img-ask.csdn.net/upload/201704/20/1492697641_724987.png)
正常情况。
![图片说明](https://img-ask.csdn.net/upload/201704/20/1492697682_549513.png)
异常情况。
下面是取值代码。
string sql1 = "SELECT * FROM nj_table";
DataTable dt1 = conn.ExecuteDataTable(sql1);
comboBox_nj.DataSource = dt1;
comboBox_nj.DisplayMember = "njmc";
comboBox_nj.ValueMember = "njID";
int njID = (int)comboBox_nj.SelectedValue;
string sql2 = "SELECT * FROM bj_table where njID="+njID;
DataTable dt2 = conn.ExecuteDataTable(sql2);
comboBox_bj.DataSource = dt2;
comboBox_bj.DisplayMember = "bjmc";
comboBox_bj.ValueMember = "bjID";