object cannot be cast from dbnull to other types

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Hi all,
plz help me for solving my problem.
when i insert the record in database form the code page. then error occur at the place of errorcode in BAL file.
ERROR- Object cannot be cast from dbnull to other types.
but i am fillup the all textbox values.

Thanks in advance.....

Posted 27-Apr-12 1:59am

dA.d

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Prasad_Kulkarni 27-Apr-12 8:01am

can u post your code here?

dA.d 27-Apr-12 9:14am

protected void btnUpdate_Click(object sender, EventArgs e)
{
BAL.ManageFacultyStaff ObjBalMngFacultyStaff = new BAL.ManageFacultyStaff();
ENTITY.ManageFacultyStaff ObjEntityMngFacultyStaff = new ENTITY.ManageFacultyStaff();
System.Data.SqlTypes.SqlDateTime getDateTime;
getDateTime = SqlDateTime.Null;

ObjEntityMngFacultyStaff.UserId = Convert.ToInt32(lblUserId.Text);
ObjEntityMngFacultyStaff.LoginEmail = txtEmail.Text;
ObjEntityMngFacultyStaff.Password = txtPassword.Text;
ObjEntityMngFacultyStaff.FName = txtFName.Text;
ObjEntityMngFacultyStaff.MName = txtMName.Text;
ObjEntityMngFacultyStaff.LName = txtLName.Text;
if (rblGender.SelectedValue == "0")
{
ObjEntityMngFacultyStaff.Gender = false;
}
else
{
ObjEntityMngFacultyStaff.Gender = true;
}
if (txtBirthDate.Text != "")
{
ObjEntityMngFacultyStaff.Birthdate = DateTime.Parse(txtBirthDate.Text, System.Globalization.CultureInfo.CreateSpecificCulture("en-AU").DateTimeFormat);
}
else
{
ObjEntityMngFacultyStaff.Birthdate = getDateTime;
}
ObjEntityMngFacultyStaff.AddressLine1 = txtAddress1.Text;
ObjEntityMngFacultyStaff.AddressLine2 = txtAddress2.Text;

bbirajdar 27-Apr-12 10:17am

Which line gives you the error?

S@53K^S 27-Apr-12 10:50am

Seems like you have posted wrong code here as you are assigning values to the entity object.So there is now way that this code could have given you error.And why are you instantiating getDateTime to dbnull?? if you are not using it anywhere else.

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E.F. Nijboer · Answer 1 · 2012-04-27T02:25:00

Solution 1

Have a look at this link:
http://codebetter.com/petervanooijen/2004/04/12/system-dbnull-value-null/[^]

Good luck~!

Posted 27-Apr-12 2:25am

E.F. Nijboer