Introduction :-
In this article i have explained how to validate image using Regular Expression Validator in asp.net before upload in data base or image fonder.In my previous article i have explained Different Validation Control in asp.net Like this :- How to allow numeric values into textbox , How to upload multiple photo using asp.net , Asp.net Control With Example , Jquery form validation in asp.net , JavaScript validation for grid view footer textbox , JavaScript validation for grid view in edit mode
Description :-
In this Post I have created a new project and add use a Regular Expression Validator in asp.net as show below
step 1 - Create a new project .
Step 2 - Write Click on project explorer and add a new form .
Step 3 - Drag and drop a RegularExpressionValidator and file upload control on the page.
Step 4 - Drap and drop a button on the web page for save the image on click button in the image folder.
Step 5- Write Click and add new folder in your project.
Now set the property for validate the image using RegularExpressionValidator as show below
Control to validate =FileUploade
Text = Invalid image icon
ValidationExperssion =^.*\.((j|J)(p|P)(e|E)?(g|G)|(g|G)(i|I)(f|F)|(p|P)(n|N)(g|G))$"
Complete Code as show below
Output image as show below
In this article i have explained how to validate image using Regular Expression Validator in asp.net before upload in data base or image fonder.In my previous article i have explained Different Validation Control in asp.net Like this :- How to allow numeric values into textbox , How to upload multiple photo using asp.net , Asp.net Control With Example , Jquery form validation in asp.net , JavaScript validation for grid view footer textbox , JavaScript validation for grid view in edit mode
Description :-
In this Post I have created a new project and add use a Regular Expression Validator in asp.net as show below
step 1 - Create a new project .
Step 2 - Write Click on project explorer and add a new form .
Step 3 - Drag and drop a RegularExpressionValidator and file upload control on the page.
Step 4 - Drap and drop a button on the web page for save the image on click button in the image folder.
Step 5- Write Click and add new folder in your project.
Now set the property for validate the image using RegularExpressionValidator as show below
Control to validate =FileUploade
Text = Invalid image icon
ValidationExperssion =^.*\.((j|J)(p|P)(e|E)?(g|G)|(g|G)(i|I)(f|F)|(p|P)(n|N)(g|G))$"
Complete Code as show below
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:FileUpload ID="File1" runat="server" />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Upload" />
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ControlToValidate="File1" ForeColor="Red"
ValidationExpression="^.*\.((j|J)(p|P)(e|E)?(g|G)|(g|G)(i|I)(f|F)|(p|P)(n|N)(g|G))$">Invalide file !</asp:RegularExpressionValidator>
</div>
</form>
</body>
</html>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:FileUpload ID="File1" runat="server" />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Upload" />
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ControlToValidate="File1" ForeColor="Red"
ValidationExpression="^.*\.((j|J)(p|P)(e|E)?(g|G)|(g|G)(i|I)(f|F)|(p|P)(n|N)(g|G))$">Invalide file !</asp:RegularExpressionValidator>
</div>
</form>
</body>
</html>
Output image as show below
Download sample code attached
