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Code to Provide Hyperlink for the url in a Gridview

Posted Date: 04 Sep 2008	Resource Type: Code Snippets	Category: ASP.NET GridView
Author: Ramesh	Member Level: Silver
Rating:	Points: 10

The following piece of code will display a hyperlink in the gridview's bound column, if it contains a url.


For icnt as integer = 0 to Gridview1.Rows.Count -1 

Dim strText As String = Gridview1.Rows(iCnt).Cells(1).Text '("Text containing url to be bound in a gridview")
Dim strOrgText As String = strText 

If strText.ToLower.Contains("http:") Or strText.ToLower.Contains("https:") Or strText.ToLower.Contains("www.") Then

	strText = strText.Replace(vbCrLf, " ")

	Dim strArr() As String = strText.Split(" ")

                    For iArrCnt As Integer = 0 To strArr.Length - 1

                        If strArr(iArrCnt).ToLower.Contains("http:") Or strArr(iArrCnt).ToLower.Contains("https:") Then

                            If strArr(iArrCnt).Contains(".") Then
                                strOrgText = strOrgText.Replace(strArr(iArrCnt), "<a href='" & strArr(iArrCnt) & "' target='_blank'>" & strArr(iArrCnt) & "</a>")
                            End If                            

                        ElseIf strArr(iArrCnt).ToLower.Contains("www.") And strArr(iArrCnt).Length >= 7 Then

                            strOrgText = strOrgText.Replace(strArr(iArrCnt), "<a href='http://" & strArr(iArrCnt) & "' target='_blank'>" & strArr(iArrCnt) & "</a>")

                        End If

                    Next

	Gridview1.Rows(iCnt).Cells(1).Text = strOrgText.Trim

End If

Next

Responses

Author: Curve Technologies 06 Sep 2008 Member Level: Bronze Points : 1

Instead of writing this server side code we can have a asp:template field and add a hyperlink control with in it. Provide the required url to the url property of the control and the desired result is acquired.
Thanks...

Author: Ramesh 08 Sep 2008 Member Level: Silver Points : 2

Providing a template control with a hyperlink control can be used when you know that there is only a url present in each row of the gridview.
This code can be used in scenarios where the column needs to be a bound column and need to display some message and also the url in the same cell of the gridview. Also we may not know for sure that there will be url in the message. In those situations it becomes necessary to check for the existence of a url and provide the hyperlink for the same.

Thanks,
Ramesh

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