RadGrid、dropDown SelectedIndexChanged 事件在 asp FormView 中不起作用
RadGrid, dropDown SelectedIndexChanged event not working inside asp FormView
我的网页中有一个 RadGrid,其中有 4 个字段:
1) 公司列表(下拉列表)
2)金额(文本框)
3) 备注(文本框)
公司下拉列表中的数据如下:
TX - 需要 0% 的税
GRE - 需要 11% 的税
EP - 需要 0% 的税
BL - 需要 6% 的税
TL - 需要 0% 的税
需求一:
在更改下拉值时,"adding new record"
"Edit" 记录时,"Amount" 和 "Remark" 文本框变为空。
为此,我尝试输入 "DropDown_SelectedIndexChanged" 事件代码
但由于我的 RadGrid 在 asp:FormView 内,所以我的页面永远不会 post 返回时
我重新select 来自 RadGrid 的项目,代码不起作用
需求二:
如果 Dropdown 在 selected 项目中有 0%(text),那么 "Amount" Textbox 应该
在文本框中使用 0.00 值禁用。
为此,我尝试了以下代码:
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;
}
}
}
}
但每次出现以下错误:
无法将类型 'System.Web.UI.WebControls.ListItem' 隐式转换为 'bool'
下面是我用于 RadGrid 的 HTML 和 C# 代码:
<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>
这是我为要求 1 尝试的代码:
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 = "";
}
请让我知道我在代码中犯了什么错误。
请注意,我是 Telerik 的新手。提前致谢。
下面是我为我的要求创建的示例代码,并且可以很好地满足上述要求。
此外,asp:FormView 不会影响 SelectdIndexChanged 事件代码,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 = "";
}
}
}
我的网页中有一个 RadGrid,其中有 4 个字段:
1) 公司列表(下拉列表)
2)金额(文本框)
3) 备注(文本框)
公司下拉列表中的数据如下:
TX - 需要 0% 的税
GRE - 需要 11% 的税
EP - 需要 0% 的税
BL - 需要 6% 的税
TL - 需要 0% 的税
需求一:
在更改下拉值时,"adding new record" "Edit" 记录时,"Amount" 和 "Remark" 文本框变为空。
为此,我尝试输入 "DropDown_SelectedIndexChanged" 事件代码 但由于我的 RadGrid 在 asp:FormView 内,所以我的页面永远不会 post 返回时 我重新select 来自 RadGrid 的项目,代码不起作用
需求二:
如果 Dropdown 在 selected 项目中有 0%(text),那么 "Amount" Textbox 应该 在文本框中使用 0.00 值禁用。
为此,我尝试了以下代码:
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;
}
}
}
}
但每次出现以下错误:
无法将类型 'System.Web.UI.WebControls.ListItem' 隐式转换为 'bool'
下面是我用于 RadGrid 的 HTML 和 C# 代码:
<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>
这是我为要求 1 尝试的代码:
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 = "";
}
请让我知道我在代码中犯了什么错误。
请注意,我是 Telerik 的新手。提前致谢。
下面是我为我的要求创建的示例代码,并且可以很好地满足上述要求。
此外,asp:FormView 不会影响 SelectdIndexChanged 事件代码,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 = "";
}
}
}