C#数据网格索引超出范围
继续获取此行的错误:C#数据网格索引超出范围,c#,.net,wpf,wpfdatagrid,C#,.net,Wpf,Wpfdatagrid,继续获取此行的错误: var imagePath = dataGrid1.SelectedItems[5].ToString(); 索引超出范围。必须为非负数且小于集合的大小。参数名称:索引 尝试将数据网格中的单元格存储在var/字符串中(它包含路径+文件名),以便通过ftp删除它 private void button2_Click(object sender, RoutedEventArgs e) { var imagePath = dataGrid
var imagePath = dataGrid1.SelectedItems[5].ToString();
索引超出范围。必须为非负数且小于集合的大小。参数名称:索引
尝试将数据网格中的单元格存储在var/字符串中(它包含路径+文件名),以便通过ftp删除它
private void button2_Click(object sender, RoutedEventArgs e)
{
var imagePath = dataGrid1.SelectedItems[5].ToString();
Student selected = dataGrid1.SelectedItem as Student;
if (selected == null)
MessageBox.Show("You must select a student");
else
{
if (MessageBoxResult.Yes == MessageBox.Show("Are you sure", "delete student",
MessageBoxButton.YesNo, MessageBoxImage.Warning))
{
FTPdelete(imagePath, "Administrator", "commando");
Class1.DeleteStudent(selected);
Window_Loaded(null, null);
}
}
}
private void FTPdelete(String imagePath, String inUsername, String inPassword)
{
var req = (FtpWebRequest)WebRequest.Create(imagePath);
req.Proxy = null;
req.Credentials = new NetworkCredential(inUsername, inPassword);
req.Method = WebRequestMethods.Ftp.DeleteFile;
req.GetResponse().Close();
}
}
}我认为您将它混淆在SelectedItems和SelectedItem之间--看起来您正在尝试访问SelectedItem的一列 如果学生有一个ImagePath,您可以重新订购一点,只需:
Student selected = dataGrid1.SelectedItem as Student;
var imagePath = selected.ImagePath;
我的datagrid看起来像这样| ID | Number | FirstName | LastName | Current | imagePath[5]我试图从datagrid中获取用户的图像路径名,然后将其发送到我的ftpdeletei如果我这样做,我会收到一个错误,说不能对“object”类型的表达式应用带[]的索引将对象转换到DataGridColumn中,也许这会对我的答案的实时编辑有帮助-你几乎是靠你自己的steam完成的。克里斯托,你能在这里帮忙吗?:看起来你可能想要所选项目的第6列?