/// <summary>
/// 数据删除部分，如果要同步到数据库，要重写这个方法。
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void Item_DataDelete(object sender, AccessItem.DataDeleteEventArgs e)
{
//删除这一个项目的数据
((AccessItem)sender).DR.Delete();//这个Delete的作用仅仅是标记这个是要删除的。
//更新到数据库
update();
DT.AcceptChanges();//这一步好像多此一举，不过还是加上吧。
//然后这个控件不可见
((AccessItem)sender).Visible = false;
//然后把这个控件从布局中删除
flowLayoutPanel1.Controls.Remove((Control)sender);
//最后清空这个值
((AccessItem)sender).DR = null;
//throw new NotImplementedException();
}
protected void btnAdd_Click(object sender, EventArgs e)
{
DataTable DT;
if (ViewState["DeductionDetails"] != null)
{
DT = (DataTable)ViewState["DeductionDetails"];
}
else
{
DT = new DataTable();
DT.Columns.Add("DeductionLedgerId", typeof(int));
DT.Columns.Add("DeductionHead", typeof(string));
DT.Columns.Add("Amount", typeof(decimal));
}
DataView dv = new DataView(DT);
dv.RowFilter = "DeductionLedgerId=" + ddlDeductionLedger.SelectedValue.Trim();
if (dv.ToTable().Rows.Count == 0)
{
DataRow DR = DT.NewRow();
DR["DeductionLedgerId"] = Convert.ToInt32(ddlDeductionLedger.SelectedValue.Trim());
DR["DeductionHead"] = ddlDeductionLedger.SelectedItem.Text;
DR["Amount"] = Convert.ToDecimal(txtDeductionAmount.Text.Trim());
DT.Rows.Add(DR);
DT.AcceptChanges();
ViewState["DeductionDetails"] = DT;
dgvDeduction.DataSource = DT;
dgvDeduction.DataBind();
txtTotalDeductionAmt.Text = (Convert.ToDecimal(txtTotalDeductionAmt.Text) + Convert.ToDecimal(txtDeductionAmount.Text.Trim())).ToString();
Message.Show = false;
}
else
{
Message.Show = false;
Message.Text = "This Ledger Already Exists in The Deduction List. Please Select Other.";
Message.Show = true;
}
}
