1
我有DataSet
这不是null。它有16行,为什么grid.Rows.Count始终为0?
但我的网格没有行。我有bindingSource
,这里是一些代码:
bindingSource.DataSource = ds.Tables[0]; //ds is DataSet
grid.DataSource = bindingSource;
double sum1 = 0;
for (int i = 0; i < grid.Rows.Count; ++i)
{
sum1 += Convert.ToDouble(grid.Rows[i].Cells[13].Value);
}
当我开始调试,当它涉及到i < grid.Rows.Count
它只是跳出for循环。任何想法为什么会发生?
,而不是'grid.Rows.Count'尝试'ds.Tables [0] .Rows.Count' –
也许需要'grid.DataBind()'? –
[DataGridView.Rows.Count为0]可能的重复(http://stackoverflow.com/questions/23130156/datagridview-rows-count-is-0) – Claudius