public partial class StudentManage_LeaveForm : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
// string MyForbidString = Session["MyForbid"].ToString();
if (MyForbidString.IndexOf("B6") > 1)
{
Server.Transfer("~/SystemManage/AllErrorHelp.aspx");
}
}
protected void Button2_Click(object sender, EventArgs e)
{//新增学生离校信息
this.SqlDataSource3.Insert();
}
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{//弹出删除操作确认对话框
if(e.Row.RowType==DataControlRowType.DataRow)
{
Button MyButton = (Button)e.Row.FindControl("Button1");
MyButton.OnClientClick="return confirm('是否确认删除当前选择的记录?')";
}
}
}
错误就是:
System.NullReferenceException: 未将对象引用设置到对象的实例。
不知道该怎么改?