protected void btDelStu_Click(object sender, EventArgs e)
{
Admin admin = new Admin();
int length = 0;
//胡媛媛添加，判断当前有无用户，2010-01-07
if (GridView1.Rows.Count == 0)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "Alert",
"<script>alert('当前已无任何用户！')</script>");
return;
}
//胡媛媛添加，判断当前有无用户，2010-01-07
else
{
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
//建立模板列中CheckBox控件的引用
CheckBox chk = (CheckBox)GridView1.Rows[i].FindControl("chkCheck");
if (chk.Checked == true)
{
length++;
}
}
if (length == 0)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "Alert",
"<script>alert('系统告警：请先选择要删除的用户，再删除用户！')</script>");
return;
}
int[] iClassIdArray = new int[length];
int k = 0;
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
//建立模板列中CheckBox控件的引用
CheckBox chk = (CheckBox)GridView1.Rows[i].FindControl("chkCheck");
if (chk.Checked == true)
{
iClassIdArray[k] = Convert.ToInt32(GridView1.DataKeys[i].Value);
k++;
}
}
try
{
admin.DeleteStudentsByClass(iClassIdArray);
admin.DeleteGroupsByClass(iClassIdArray);
admin.DeleteClassesByClass(iClassIdArray);
Page.ClientScript.RegisterStartupScript(this.GetType(), "Alert",
"<script>alert('删除成功！')</script>");
GridViewBind();
}
catch
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "Alert",
"<script>alert('已有老师激活了该班级，请暂勿删除！')</script>");
}
//胡媛媛添加，去掉全选前面的复选框，2010-01-07
finally
{
if (chkAll.Checked == true)
{
chkAll.Checked = false;
}
}
//胡媛媛添加，去掉全选前面的复选框，2010-01-07
}
}
