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solve error for this code

omidfarvaha asked:

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I use this code when I haven't any record in database and I want give to me int zero but have this error. Please help me.
The code Is:
string str4 =string.Format("select Count(*) from accounting where flag='0' and mobile='{1}' And message Is NOT NULL",i.ToString());
        SqlCommand cmd4 = new SqlCommand(str4,con4);
  int i1 = Convert.ToInt32(cmd4.ExecuteScalar());


The error is:
Index (zero based) must be greater than or equal to zero and less than the size of the argument list.
Tags: C#, ASP.NET, SQL-Server


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