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DataSet ds = dataOperate.getDataSet(sql, \ cbClass.DataSource = ds.Tables[\ cbClass.DisplayMember = \ }

private void cbClass_SelectedIndexChanged(object sender, EventArgs e)

{

string sql = \ѧºÅ',s.Name as 'ÐÕÃû',s.Sex as 'ÐÔ±ð',s.Birthday as '³öÉú',s.Address as 'µØÖ·' from T_Student as s,T_Class as c where className='\

DataSet ds = dataOperate.getDataSet(sql, \ dgvStuInfo.DataSource = ds;

dgvStuInfo.DataMember = \ }

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private string Department = \

private void btnBrowse_Click(object sender, EventArgs e) {

if (btnBrowse.Text == \²éѯ\ {

string sql = \* from T_Student where Num='\+ txtNum.Text + \

SqlDataReader sdr = dataOperate.getRow(sql); if (sdr.Read()) {

txtName1.Text = sdr[\ string Sex=sdr[\ if (Sex == \ÄÐ\ {

rbtnMan.Checked = true; } else {

rbtnWomen.Checked = true; }

txtBirthday.Text = sdr[\ txtAddress.Text = sdr[\ string classID = sdr[\

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//¸ù¾Ý°à¼¶±àºÅclassID²éѯ°à¼¶ÐÅÏ¢ sql classID='\

sdr = dataOperate.getRow(sql); if (sdr.Read()) {

cbClass.Text = sdr[\ string majorID = sdr[\ //¸ù¾Ýרҵ±àºÅmajorID²éѯרҵÐÅÏ¢ sql = \majorID + \

sdr = dataOperate.getRow(sql); if (sdr.Read()) {

cbMajor.Text = sdr[\ string sdr[\

//²éѯ²¿ÃÅÐÅÏ¢

departmentID

=

=

\

*

from

T_Class

where

sql = \* from T_Department where departmentID='\

sdr = dataOperate.getRow(sql); if (sdr.Read()) {

cbDepartment.Text sdr[\

Department sdr[\

btnBrowse.Text = \ÐÞ¸Ä\ } } } } else {

MessageBox.Show(\¶Ô²»Æð£¬Î޴˼Ǽ£¡\ Empty();

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