I am currently working on a Browser Plugin that involves storing data in an SQLCE Database locally. My challenge is to display this saved data on a webpage within the browser by connecting to the local database and fetching the values using JavaScript. So far, I have not been successful in achieving this. Can someone kindly guide me in the right direction or suggest an alternative approach if this is not possible?
Accessing a SQLCE database directly from JavaScript is not possible, but you can expose it using the OData protocol with either ASP.NET WebAPI or WCF Data Services. For those using IE10 (which supports EcmaScript5), there is a helpful tutorial available here
It's not possible to directly connect in JavaScript, but you can create a web method in ASP to establish the connection with your database. Then, you can invoke this method from JavaScript using an AJAX call.
For example:
In your C# file:
[WebMethod]
public static string myMethod(long ID)
{
// You can write code in this method to connect to any database
return _result;
}
In your JavaScript file:
$.ajax({
type: "POST",
url: "mypage.aspx/myMethod",
data: "{ID:'" + ID + "'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
async: true,
success: function(result) {
},
error: function(error) {
}
});
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