how to pass values from frontend to backend

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C#

ASP.NET

SQL

hi
I want to save the details what i am giving through the textboxes(in my .aspx pages) to sqltables for this i create a storedprocedure like this

CREATE PROCEDURE INSERT_WEBSITEDETAILS
	@WebsiteName VARCHAR(100),
	@LiveIp1 NVARCHAR(100) ,
	@LiveIp2  NVARCHAR(100) ,
	@PortId   VARCHAR(100),	
	@ERROR VARCHAR(100) OUT
AS
BEGIN
SET NOCOUNT ON;
DECLARE @Createdate DATE
declare @Exist int
set @Exist = (SELECT count( PortId) FROM Websitedetails WHERE @PortId=PortId AND  @WebsiteName=WebsiteName)
if(@Exist=0)
BEGIN
	INSERT INTO Websitedetails 
	(WebsiteName,LiveIp1,LiveIp2,PortId,Createdate)
	VALUES
	(@WebsiteName,@LiveIp1,@LiveIp2,@PortId,GETDATE())
	SET @ERROR='UPDATED SUCCESSFULLY'
	END
	ELSE
	BEGIN
	SET @ERROR=' already exists'
	END	
END

BUT I DONT KNOW HOW TO CALL THIS STOREDPROCEDURE IN FRONTEND
plz help me