This is a migrated thread and some comments may be shown as answers.

[Solved] ComboBox in the OnItemsRequested event, if the value of Text is Null, the error will be shown as shown in Fig.

3 Answers 81 Views

ComboBox

This is a migrated thread and some comments may be shown as answers.

ghd258 ghd258 asked on 27 Sep 2017, 03:17 AM

qq图片20170927105614.png

protected override void OnInit(EventArgs e)
{
rcbCustomer.HeaderTemplate = new HeaderTemplate();
rcbCustomer.ItemTemplate = new HeaderItemTemplate();
base.OnInit(e);
}

public class CustomerRCBTemplate
{

}
public class HeaderTemplate : ITemplate
{

public void InstantiateIn(Control container)
{

HtmlTable table = new HtmlTable();

HtmlTableRow row = new HtmlTableRow();

HtmlTableCell cell = new HtmlTableCell();

cell.InnerText = "客户编号";
cell.Width = Unit.Pixel(100).ToString();
row.Controls.Add(cell);

HtmlTableCell cell1 = new HtmlTableCell();

cell1.InnerText = "客户名称";
cell1.Width = Unit.Pixel(160).ToString();
row.Controls.Add(cell1);

HtmlTableCell cell2 = new HtmlTableCell();

cell2.InnerText = "主联系人";
cell2.Width = Unit.Pixel(100).ToString();
row.Controls.Add(cell2);

HtmlTableCell cell3 = new HtmlTableCell();

cell3.InnerText = "类型";
cell3.Width = Unit.Pixel(100).ToString();
row.Controls.Add(cell3);

HtmlTableCell cell4 = new HtmlTableCell();

cell4.InnerText = "商务人员";
cell3.Width = Unit.Pixel(90).ToString();
row.Controls.Add(cell4);

table.Controls.Add(row);

container.Controls.Add(table);

}

}

3 Answers, 1 is accepted

answered on 27 Sep 2017, 03:27 AM

<telerik:RadComboBox ID="rcbCustomer" runat="server" Width="100%" AllowCustomText="true"
Text="" OnClientItemsRequesting="ClientCustomerItemRequesting" HighlightTemplatedItems="true"
DropDownWidth="550px" ExpandAnimation-Duration="100" CollapseAnimation-Duration="100"
OnClientSelectedIndexChanged="OnClientSelectedIndexChangedCustomer" EnableLoadOnDemand="true"
AutoPostBack="true" OnItemsRequested="rcbCustomer_ItemsRequested" Height="200px">
<HeaderTemplate>
<ul class="Item">
<li class="col2">客户名称</li>
<li class="col3">主联系人</li>
<li class="col4">客户类型</li>
</ul>
</HeaderTemplate>
<ItemTemplate>
<ul class="Item">
<li class="col2">
<%# Healthway.Framework.Utilities.String.StringHelper.InternalHtmlEncode(DataBinder.Eval(Container, "Attributes[\"CusName\"]").ToString())%>
</li>
<li class="col3">
<%# Healthway.Framework.Utilities.String.StringHelper.InternalHtmlEncode(DataBinder.Eval(Container, "Attributes[\"LinkmanName\"]").ToString())%>
</li>
<li class="col4">
<%# Healthway.Framework.Utilities.String.StringHelper.InternalHtmlEncode(DataBinder.Eval(Container, "Attributes[\"CusTypeName\"]").ToString())%>
</li>
</ul>
</ItemTemplate>
<FooterTemplate>
<div>
<b>更多请输入助记码查询.</b>
</div>
</FooterTemplate>
</telerik:RadComboBox>

answered on 27 Sep 2017, 05:13 AM

qq图片20170927130909.png

数组不能为空。
参数名: bytes