prblm in hastable convert string to int

Question

hi,

 

i am using hashtable to update list items :

 

i have convert string to int??

 

hstbl.Add("@BrandId",Convert.ToInt32(ChkSelectedValue.ToString())); 

 

i will Int.parse method and Convert.toint32 method is not convert to int.. 

 

chkSelectedValue i will declared as a String:

 

string ChkSelectedValue = string.Empty;