Regarding Application Crash
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Dear , My application is client- server application and one module is used for send file to server application for mail sending purpose. If the user type the mail text than click send button it will save to the database,than it will convert to XML(from Dataset) ,than the file will be zipped than it will pass accros the Dial-up Network.The server will recieve the file and Unzip it ,than the XML file convert to dataset and saved and save to the database .this will work fine but when i want to see the mail .,I opened that mail,that time the appliaction crash and give this error and sometime when i click the mail delete button ,the application crash. can u help me in my case. if u need more info about scenerio,please mail me Error Ocuured In Form : frmMail Error Ocuured In Module : Button10_Click Error Ocuured At Time : 10/4/2005 2:29:24 PM Exception Occured In ITICSMS Server : Message : Object reference not set to an instance of an object. Source : System.Windows.Forms StackTrace : at System.Windows.Forms.SafeNativeMethods.MessageBox(HandleRef hWnd, String text, String caption, Int32 type) at System.Windows.Forms.MessageBox.ShowCore(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options) at System.Windows.Forms.MessageBox.Show(String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton) at CSMSServer.frmMail.Button10_Click(Object sender, EventArgs e) Explanation : System.NullReferenceException: Object reference not set to an instance of an object. at System.Windows.Forms.SafeNativeMethods.MessageBox(HandleRef hWnd, String text, String caption, Int32 type) at System.Windows.Forms.MessageBox.ShowCore(IWin32Window owner, String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton, MessageBoxOptions options) at System.Windows.Forms.MessageBox.Show(String text, String caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton) at CSMSServer.frmMail.Button10_Click(Object sender, EventArgs e) ================================================================================ Error Ocuured In Form : MdlStart Error Ocuured In Module : Main Error Ocuured At Time : 10/4/2005 2:29:39 PM Exception Occured In ITICSMS Server : Message : Object reference not set to an instance of an object. Source : System.Windows.F