//dropdownlist学院列绑定
private void drpBind()
{
CollegesManage cm = new CollegesManage();
DropDownList2.DataSource = cm.Select();
DropDownList2.DataTextField = "college";
DropDownList2.DataBind();
}
//DropDownList2学院 绑定
private void drpBind()
{
DataTable dt = sm.SelectByValue(Request.QueryString["studentId"].ToString());
CollegesManage cm = new CollegesManage();
DropDownList2.DataSource = cm.Select();
DropDownList2.DataTextField = "college";
DropDownList2.SelectedValue = dt.Rows[0]["college"].ToString();
DropDownList2.DataBind();
}
//dropdownlist学院列绑定
private void drpBind()
{
TermsManage tm = new TermsManage();
CollegesManage cm = new CollegesManage();
DropDownList1.DataSource = tm.Select();
DropDownList1.DataTextField = "term";
DropDownList1.DataBind();
DropDownList2.DataSource = cm.Select();
DropDownList2.DataTextField = "college";
DropDownList2.DataBind();
ddl3bind();
}
//触发gridview行的编辑事件
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex; //设置GridView控件的编辑项的索引为选择的当前索引
gridviewBind(); //数据绑定 为什么要放前面因为不绑定的话下面的gvr.FindControl("drppost")是为空的,也就是不重新绑定的话前台控件drppost是不会出现的
GridViewRow gvr = GridView1.Rows[e.NewEditIndex]; //实例化一行
DropDownList drppost = (DropDownList)(gvr.FindControl("drppost"));
CollegesManage cm = new CollegesManage();
string n = GridView1.DataKeys[e.NewEditIndex].Value.ToString(); //获取当前行主键id
TeachersManage tm = new TeachersManage();
for (int i = 0; i < cm.Select().Rows.Count; i++)
{
string college = cm.Select().Rows[i]["college"].ToString();
ListItem item = new ListItem(college);
if (college == tm.SelectByValue(n).Rows[0]["college"].ToString())
{
item.Selected = true;
}
drppost.Items.Add(item);
}
}
