private void benDeleteCategory_Click(object sender, EventArgs e)
{
if (dgvCategoryInfo.SelectedRows.Count <= 0)
{
MessageBox.Show("请选定后再删除");
return;
}
if (DialogResult.OK == MessageBox.Show("你舍得删除么", "删除类别", MessageBoxButtons.OKCancel, MessageBoxIcon.Question))
{
int r = -1;
int id = Convert.ToInt32(dgvCategoryInfo.SelectedRows[0].Cells[0].Value.ToString());
ProductInfoBll bll = new ProductInfoBll();
List <ProductInfo> list = bll.GetProductInfoByCatid(id);
r = list.Count;
if (r > 0)
{
MessageBox.Show("该类别下有产品，不能删除，如想强制删除，请联系售后");
}
else
{
CategoryInfoBll bll_c = new CategoryInfoBll();
string msg4 = bll_c.SoftDeleteCategoryInfoByCatId(id) ? "删除好了" : "删除出错了";
MessageBox.Show(msg4);
LoadCategoryInfoByDelFlag(0);
}
}
}
private void LoadProductInfoByCatId(int p, TreeNodeCollection tnc)
{
ProductInfoBll bll = new ProductInfoBll();
List <ProductInfo> list = bll.GetProductInfoByCatid(p);
for (int i = 0; i < list.Count; i++)
{
tnc.Add(list[i].ProName + "====" + list[i].ProPrice + "元");
}
}
private void cmbCategory_SelectedIndexChanged(object sender, EventArgs e)
{
if (cmbCategory.SelectedIndex != 0)
{
int id = Convert.ToInt32(cmbCategory.SelectedValue);
ProductInfoBll bll = new ProductInfoBll();
dgvProductInfo.DataSource = bll.GetProductInfoByCatid(id);
dgvProductInfo.AutoGenerateColumns = false;
if (dgvProductInfo.SelectedRows.Count > 0)
{
dgvProductInfo.SelectedRows[0].Selected = false;
}
}
else
{
LoadProductInfoByDelFlag(0);
}
}