[英]How to have two columns with the same field but different values in a GridView
[英]Display two different values from different columns of same row in autocoompleteextender
我在我的 asp.net 网站中使用 autocompleteextender。 它工作正常。 当用户键入时,我想要其他功能,它显示如下建议
假设我在文本框中输入 P 结果 - PNQ 、 PAR、 PBC 等
这里 evry 关键字在第二列中有 fullform 所以我希望数据像这样显示
PNQ(浦那机场)
当用户选择此值时,应仅在文本框中选择 PNQ 而不是整个值,即 PNQ(浦那机场)。 这是我想要的,因为用户应该清楚他们正在选择什么。 任何人都可以帮助我。
<asp:AutoCompleteExtender ServiceMethod="SearchClientCode"
ServicePath="~/myadmin/shipments-profile.aspx" MinimumPrefixLength="1"
OnClientShown="resetPosition" CompletionInterval="100" EnableCaching="false"
CompletionSetCount="10" TargetControlID="clientCode" ID="clientCodeExtender"
runat="server" FirstRowSelected="false" CompletionListCssClass="completionList"
CompletionListItemCssClass="listItem"
CompletionListHighlightedItemCssClass="itemHighlighted"></asp:AutoCompleteExtender>
[System.Web.Script.Services.ScriptMethod(), System.Web.Services.WebMethod()]
public static List<string> SearchClientCode(string prefixText, int count)
{
MySqlConnection conn = new MySqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings("conio").ConnectionString;
MySqlCommand cmd = new MySqlCommand();
cmd.CommandText = "SELECT clientID, clientName FROM clientsDetails where (clientID like @SearchText)";
cmd.Parameters.AddWithValue("@SearchText", prefixText + "%");
cmd.Connection = conn;
conn.Open();
List<string> customers = new List<string>();
MySqlDataReader sdr = cmd.ExecuteReader;
while (sdr.Read) {
customers.Add(sdr("clientID").ToString);
}
conn.Close();
return customers;
}
您需要添加一些客户端功能并更改 webmethod 以完成您的要求
网址:
连接两个事件OnClientPopulated和OnClientItemSelected并设置BehaviorID来控制。
<asp:AutoCompleteExtender ServiceMethod="SearchClientCode" ServicePath="~/myadmin/shipments-profile.aspx" MinimumPrefixLength="1" OnClientShown="resetPosition" CompletionInterval="100" EnableCaching="false" CompletionSetCount="10" TargetControlID="clientCode" ID="clientCodeExtender" runat="server" FirstRowSelected="false" CompletionListCssClass="completionList" CompletionListItemCssClass="listItem" CompletionListHighlightedItemCssClass="itemHighlighted" OnClientPopulated="onClientPopulated" OnClientItemSelected="itemSelected" BehaviorID="AutoCompleteEx"></asp:AutoCompleteExtender>
Javascript
<script type="text/javascript">
function itemSelected(ev)
{
var index=$find("AutoCompleteEx")._selectIndex;
if(index!=-1) {
$find("AutoCompleteEx").get_element().value =$find("AutoCompleteEx").get_completionList().childNodes[index]._value;
}
else{
$find("AutoCompleteEx").get_element().value = '';
}
}
function onClientPopulated(sender,e)
{
var List=$find("AutoCompleteEx").get_completionList();
for(i=0;i<List.childNodes.length;i++)
{
var _value=JSON.parse(List.childNodes[i]._value);
var abbr=_value[0];
var fullform =_value[1];
List.childNodes[i]._value=abbr;
List.childNodes[i].innerHTML="<span>"+ abbr + "("+fullform+")</span>"
} }</script>
网络方法:
[System.Web.Script.Services.ScriptMethod(), System.Web.Services.WebMethod()]
public static List<string> SearchClientCode(string prefixText, int count)
{
MySqlConnection conn = new MySqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings("conio").ConnectionString;
MySqlCommand cmd = new MySqlCommand();
cmd.CommandText = "SELECT clientID, clientName FROM clientsDetails where (clientID like @SearchText)";
cmd.Parameters.AddWithValue("@SearchText", prefixText + "%");
cmd.Connection = conn;
conn.Open();
List<string> customers = new List<string>();
MySqlDataReader sdr = cmd.ExecuteReader;
JavaScriptSerializer serializer = new JavaScriptSerializer();
while (sdr.Read) {
object[] item = new object[] { sdr("clientID").ToString(), sdr("clientName").ToString() };
customers.Add(serializer.Serialize(item));
}
conn.Close();
return customers;}
希望能帮助到你!!
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