private void button1_Click(object sender, EventArgs e)
{
string eno = textBox1.Text;
var start = dateTimePicker1.Text;
var end = dateTimePicker2.Text;
if (eno.Length < 4)
{
MessageBox.Show("请输入4位以上的尾号！");
}
else
{
//var dataTable = logdata.queryByExpressNo(eno, start, end);
var dataTable = createdata.queryByExpressNo(eno, start, end);
if (dataTable.Rows.Count == 0)
{
MessageBox.Show("没有搜索到相关条码！");
}
else
{
gdc_data.DataSource = dataTable;
}
}
}