[英]Bind RadGrid `EditItemTemplate` DropDownList inside RadComboBox `SelectedIndexChanged` event, this RadComboBox is outside of RadGrid
[英]RadGrid, dropDown SelectedIndexChanged event not working inside asp FormView
我的網頁中有一個RadGrid,其中有4個字段:
1)公司清單(下拉清單)
2)金額(文本框)
3)備注(文本框)
公司下拉列表中的數據如下:
TX-需要0%的稅
GRE-需要11%的稅
EP-要求0%稅
BL-需要6%稅
TL-要求0%稅
要求1:
在更改下拉列表值時,在“添加新記錄”和“編輯”記錄時,“金額”和“備注”文本框將變為空。
為此,我嘗試放置“ DropDown_SelectedIndexChanged”事件代碼,但是由於我的RadGrid位於asp:FormView中,所以當我從RadGrid重新選擇項目時,我的頁面從不回發,並且代碼不起作用
要求2:
如果下拉菜單中的所選項目包含0%(文本),則“金額”文本框應在文本框中使用0.00值禁用。
為此,我嘗試了以下代碼:
protected void rggst_ItemDataBound(object sender, GridItemEventArgs e)
{
if (e.Item is GridEditableItem && e.Item.IsInEditMode)
{
GridEditableItem item = e.Item as GridEditableItem;
DropDownList list = item.FindControl("ddlCompany") as DropDownList;
list.DataTextField = "TaxDescription";
list.DataValueField = "TaxId";
list.DataSource = IPRRequest.DLTaxCode(CorporateGroupId);
list.DataBind();
if (list.Items.FindByValue("0%"))
{
if (e.Item is GridEditFormInsertItem)
{
GridEditFormInsertItem insertItem = (GridEditFormInsertItem)e.Item;
TextBox txt = (TextBox)insertItem["Amount"].Controls[0];
txt.Text = "0.00";
txt.Enabled = false;
}
}
}
}
但是每次我出現以下錯誤時:
無法將類型'System.Web.UI.WebControls.ListItem'隱式轉換為'bool'
以下是用於RadGrid的HTML和C#代碼Im:
<asp:FormView ID="fvIPRForm" runat="server" DefaultMode="Insert" DataKeyNames="RequestID" DataSourceID="odsIPRForm" EnableModelValidation="True" OnItemInserting="fvIPRForm_ItemInserting" OnDataBound="fvIPRForm_DataBound" OnItemUpdating="fvIPRForm_Updating" OnItemCommand="fvIPRForm_ItemCommand">
<InsertItemTemplate>
<asp:Panel ID="pnlApprover" runat="server" Visible="true">
<telerik:RadMultiPage ID="RadMultiPage3" runat="server" SelectedIndex="0" Width="100%">
<telerik:RadPageView ID="RadPageView1" runat="server" Width="100%">
<telerik:RadAjaxPanel ID="Main" runat="server">
<telerik:RadGrid ID="RGGST" runat="server" AutoGenerateColumns="false"
ShowStatusBar="true" EnableEmbeddedSkins="true" Skin="Outlook" ShowFooter="True"
OnItemDataBound="rggst_ItemDataBound"
OnInsertCommand="rggst_InsertCommand" OnUpdateCommand="rggst_UpdateCommand"
OnDeleteCommand="rggst_DeleteCommand" OnNeedDataSource= "rggst_NeedDataSource">
<mastertableview commanditemdisplay="Top" autogeneratecolumns="false" datakeynames="Amount"
insertitempageindexaction="ShowItemOnCurrentPage" ShowFooter="True" >
<CommandItemSettings AddNewRecordText="New" />
<Columns>
<telerik:GridEditCommandColumn UniqueName="imagebutton1" ButtonType="ImageButton"></telerik:GridEditCommandColumn>
<telerik:GridTemplateColumn UniqueName="Company" HeaderText="Company">
<ItemTemplate>
<asp:Label ID="lblCompany" Text='<%# Eval("Company") %>' runat="server"></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="ddlCompany" runat="server"/>
</EditItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridBoundColumn aggregate="SUM" DataField="Amount" HeaderText="Amount" FooterAggregateFormatString="Total : {0:###,##0.00}"
UniqueName="Amount" SortExpression="Amount" DataFormatString="{0:n}"></telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Remark" HeaderText="Remark"
UniqueName="Remark" SortExpression="Remark" maxlength ="30"></telerik:GridBoundColumn>
<telerik:GridButtonColumn ConfirmText="Delete this Tax Code?" ConfirmDialogType="RadWindow"
ConfirmTitle="Delete" ButtonType="ImageButton" CommandName="Delete" ConfirmDialogHeight="160px" ConfirmDialogWidth="250px">
</telerik:GridButtonColumn>
</Columns>
<EditFormSettings>
<EditColumn ButtonType="ImageButton" />
</EditFormSettings>
<PagerStyle AlwaysVisible="True" PageSizeControlType="RadComboBox" />
</mastertableview>
</telerik:RadGrid>
</telerik:RadAjaxPanel>
</telerik:RadPageView>
</telerik:RadMultiPage>
</asp:Panel>
</InsertItemTemplate>
<EditItemTemplate>
//same RadGrid in this section
</EditItemTemplate>
<ItemTemplate>
//same RadGrid in this section
</ItemTemplate>
</asp:FormView>
這是我為要求1嘗試的代碼:
protected void ddlTaxCodes1_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList taxCodesList = (DropDownList)sender;
GridEditableItem item = (GridEditableItem)taxCodesList.NamingContainer;
string grossAmountTxt = (item["LIGrossAmt"].Controls[0] as TextBox).Text;
string TaxAmt = (item["LITaxAmt"].Controls[0] as TextBox).Text;
string TaxableAmt = (item["LITaxableAmt"].Controls[0] as TextBox).Text;
string Description = (item["LIDescription"].Controls[0] as TextBox).Text;
grossAmountTxt = "";
TaxAmt = "";
TaxableAmt = "";
Description = "";
}
請讓我知道我在代碼中犯了什么錯誤。
請注意,我是Telerik的新手。 提前致謝。
以下是我為需求創建的示例代碼,並且可以很好地滿足上述兩個需求。
另外,asp:FormView不會影響SelectdIndexChanged事件代碼,並且一切正常。
protected void ddlTaxCodes1_SelectedIndexChanged(object sender, EventArgs e)
{
if (ddlAcCode.SelectedValue != null || ddlAcCode.SelectedValue != "")
{
ddlAcCode.Enabled = false;
string selItem = ddlAcCode.SelectedItem.Text;
if (selItem.Contains("0%"))
{
txtAmount.Text = "0.00";
txtAmount.Enabled = false;
txtRemark.Text = "";
}
else
{
txtAmount.Text = "";
txtRemark.Text = "";
}
}
}
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