//添加字段名到comboBox控件的下拉框中：
private void ShowComboBox()
{
#region 添加字段名到comboBox控件中：
GetTableColumnBLL objGetTableColumnBLL = new GetTableColumnBLL();
string[] StuNum = objGetTableColumnBLL.GetStuNum();
cbxStuNum.Items.AddRange(StuNum);
string[] StuName = objGetTableColumnBLL.GetStuName();
cmbStuName.Items.AddRange(StuName);
string[] GetCourseId = objGetTableColumnBLL.GetCourseNum();
cbxCourseNum.Items.AddRange(GetCourseId);
string[] CourseName = objGetTableColumnBLL.GetCourseName();
cbxCourseName.Items.AddRange(CourseName);
string[] Score = objGetTableColumnBLL.GetScore();
cbxScore.Items.AddRange(Score);
#endregion
}
private void GetStuNum()
{
GetTableColumnBLL objGetTableColumnBLL = new GetTableColumnBLL();
string[] StuNum = objGetTableColumnBLL.GetStuNum();
cmbStuSearchValue.Items.AddRange(StuNum);
}