how to solve erroe in my cs page with dropdown list in asp.n

Anjali Khan

hi frnds getting error like in my drop down list

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 1528: ncmdbObject.Dispose();

Line 1529: }

Line 1530: }

Line 1531:

Line 1532: #endregion

and my cs page this

public void bindropDownDepartment()

{

try

{

objDiaryOB.RoleId = Convert.ToInt32(Session["Role_Id"]);

objDiaryOB.ModuleId = Convert.ToInt32(Request.QueryString["ModuleID"]);

p_Var.dSet = obj_miscelBL.GetDepartment(obj_userOB);

if (p_Var.dSet.Tables[0].Rows.Count > 0)

{

p_Var.sbuilder.Remove(0, p_Var.sbuilder.Length);

p_Var.dSet = null;

p_Var.dSet = obj_miscelBL.GetDepartment(userObject);

trdepartmrnt.Visible = true;

ddlDepartName.DataSource = p_Var.dSet;

ddlDepartName.DataTextField = "Deptt_Name";

ddlDepartName.DataValueField = "Deptt_Id";

ddlDepartName.DataBind();

}

p_Var.dSet = null;

}

catch

{

throw;

}

7 Replies

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Anjali Khan8y ago
hi Ramesh that error soved.thanks for reply
0
Anjali Khan8y ago
that issue i solved. now i want i shared the error with cs page i want that

Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 1528: ncmdbObject.Dispose();
Line 1529: }
Line 1530: }
Line 1531:
Line 1532: #endregion
and my cs page this
0
Ramesh Palanivel8y ago
Hi anjali,

you can attach your screen shot here.

0
Anjali Khan8y ago
in this cant be able to send screen short
0
Ramesh Palanivel8y ago
Do you want to show your fields like fill in the blanks?
0
Anjali Khan8y ago
frnds please let me know how to keep control like this

TextBox1 __________________ TextBox2 __________________________

___________________ __________________________
TextBox3 __________________ TextBox4 __________________________

___________________ __________________________
TextBox5 __________________ TextBox5 __________________________

___________________ __________________________
0
Ramesh Palanivel8y ago
Hi Anjali,

Kindly add some screen shot for our reference,
0