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Ali Raza Zaidi

A practitioner’s musings on Dynamics 365 Finance and Operations

asp.net

how to clear controls in asp.net c#

August 9, 2008 by alirazazaidi

Use following code in you page. At Calling Statement send reference of page “this”. It Clears all text boxes and set all checkboxes on page to false

private void ClearControls(Control parent)
{
foreach (Control _ChildControl in parent.Controls)
{
if ((_ChildControl.Controls.Count > 0))
{
ClearControls(_ChildControl);
}
else
{
if (_ChildControl is TextBox)
{
((TextBox)_ChildControl).Text = string.Empty;
}
else
if (_ChildControl is CheckBox)
{
((CheckBox)_ChildControl).Checked = false;
}

}
}
}

How to add dynamic meta tags in asp.net

February 9, 2008 by alirazazaidi

Hi all you can add meta tags like that in page

HtmlMeta _MyName = new HtmlMeta();
_MyName.Name =” Ali Raza”;
_MyName.Content =” just in and test “;
Page.Header.Controls.Add(_MyName);

How to get uploaded image dimensions in asp.net

February 5, 2008 by alirazazaidi

I used following code to get uploaded image dimensions .
Where flLogoUplaoded is name of asp .net file uploaded control at my application
string UploadedImageType = flLogoUpload.PostedFile.ContentType.ToString().ToLower();
string UploadedImageFileName = flLogoUpload.PostedFile.FileName;

//Create an image object from the uploaded file
System.Drawing.Image UploadedImage = System.Drawing.Image.FromStream(flLogoUpload.PostedFile.InputStream);

//Determine width and height of uploaded image
float UploadedImageWidth = UploadedImage.PhysicalDimension.Width;
float UploadedImageHeight = UploadedImage.PhysicalDimension.Height;

Response.Write( UploadedImageWidth + “<br />”);
Response.Write(UploadedImageHeight + “<br />”);

URL Encoding in asp.net

December 27, 2007 by alirazazaidi

One of way while transferring data from one page to other page is Querystring. But one problem is with Querystring is that many characters are not allowed in url.  So we must have to send querystings while take limits in mind because alphanumeric and special characters including $-_.+!*’(),) are allowed. Usually browser does not tolerate special characters in Url, so much data is lost . In asp.net we can use the feature urlEncoding. With Url encoding special characters are replaced by escaped characters sequences starting with the percent sign (%) ,followed by a two-digit hexadecimal .The only exception is space character where character sequence %20 or + sign is used.  For this purpose asp.net provide us HttpServerUtility  class to encode data.

For example

String  CustomerName = “Ali Raza”;

Response.Redirect(“Blogpage.aspx?authorName=” + Server.UrlEncode(CustomerName));

 

Same time we can Querystring s initial values from Server.UrlDecode() method.

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About

I am Dynamics AX/365 Finance and Operations consultant with years of implementation experience. I has helped several businesses implement and succeed with Dynamics AX/365 Finance and Operations. The goal of this website is to share insights, tips, and tricks to help end users and IT professionals.

Legal

Content published on this website are opinions, insights, tips, and tricks we have gained from years of Dynamics consulting and may not represent the opinions or views of any current or past employer. Any changes to an ERP system should be thoroughly tested before implementation.

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