The ListView raised event ItemEditing which wasn’t handled.

Error:
The ListView ‘ListView1’ raised event ItemEditing which wasn’t handled.

Resaon:
if the CommandName of a clicked button is “Edit” then it will put the ListView in the Edit mode, try modifying the CommandName=”Edit” to something like “modify”… its so easy 🙂

Visualize XSLT issue on Umbraco 4.9.1

Solution:
Modify “editXslt.aspx” xsltVisualize function as follow

Change UmbEditor._editor.selection() to UmbEditor._editor.getSelection();

FYI: You can find “editXslt.aspx” under “umbraco/developer/Xslt” folder

System.FormatException: Invalid length for a Base-64 char array.

Exception Details: System.FormatException: Invalid length for a Base-64 char array.

While passing the data through GET, Request.Querystring object interprets the “+” sign as a space, and that causes problems for encoding. This throws error Invalid length for a Base-64 char array. You can resolve this issue using

Example:


While passing the data through GET, Request.Querystring object interprets the “+” sign as a space, and that causes problems for encoding. This throws error Invalid length for a Base-64 char array. You can resolve this issue using

Format of the initialization string does not conform to specification starting at index 0.

Format of the initialization string does not conform to specification starting at index 0

The main cause of this type of error is may be you wrote the connection string inside the quotes like this

Dim myConn As New SqlConnection(“strConnectionString”)

Modify your code like this and try again

Dim myConn As New SqlConnection(strConnectionString)

if you have any suggestions please post reply

Solution for ASP.NET Error: Could not load file or assembly ‘System.Web.Extensions’

Reason
The Main reason for this error is ‘Your Application uses Microsoft ASP.NET 2.0 AJAX Extensions 1.0 and they had not been installed on your hosting server’

Solution – 1

  1. Download the ‘ASPAJAXExtSetup.msi‘ installer from Microsoft and run it on the live server. The required .dll files would then be inserted into the GAC

Solution – 2

  1.  Your Server did not exhibit the problem, so server obviously had the dll files. Then The Simple Answer is to place a copy of these following files in the applicatiion’s ‘Bin’ folder
    1. System.Web.Extensions.Design.dll
    2. System.Web.Extensions.dll

    You can find these files at C:\Program Files\Microsoft ASP.NET\ASP.NET 2.0 AJAX Extensions\v1.0.61025\