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how to call a c# webmethod on mouseover of linkbutton in asp.net?

marcel ethan 2930 02 Dec 2014

Is it possible to call a c# webmethod on mouseover on Linkbutton ? what i want is to call a webmethod in which i am binding a repeater control with datatable. How? in aspx:

<asp:LinkButton Text='<%#Eval("SNA")%>' ID="lnkpro1" runat="server" 
CssClass="linkbutton" servicemethod="GetRecords" 
OnClick="btn_Click1" CommandArgument='<%# Eval("Sets") %>'></asp:LinkButton>

in aspx.cs:

[System.Web.Script.Services.ScriptMethod()]
[System.Web.Services.WebMethod]
public void GetRecords(object sender, EventArgs e)
{
 
}

I am not getting the point that is how is it possible to call a webmethod on linkbutton mouseover. I have used a webmethod in textbox autocomplete extender but it has a propperty of calling a webmethod but is it so in this case also? Thank you.

Ask by marcel ethan

Updated 03 Dec 2014

1 Answers

Anonymous User 03 Dec 2014

Use ASP.NET AJAX Page Methods, like this:

[WebMethod]
public static List<Record> GetRecords()
{
    // Go to database to get list of records
    List<Record> listOfRecords = GetRecordsFromDatabase();
 
    return listOfRecords;
}

I made up the Record class here. A list of something needs to be returned, so I made it up for the example's sake.

Now you can call the ASP.NET AJAX Page Method, like this:

$(document).ready(function() {
   
$('.linkbutton').mouseover(function() {
        $.ajax({
            type:"POST",
            url:"PageName.aspx/GetRecords",
            data:"{}",
           
contentType: "application/json; charset=utf-8",
            dataType:"json",
            success:function(result) {
                // Dosomething with records returned here
                // Useresult.d to get to JSON data
            }
        });
    });
});

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