missing operand error

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here i wrote the program. here i am getting error like this.

C#

private void GetData()
{
  con = new SqlConnection(cons);
  string query  = "Select PersonId, Lastname, Firstname, Hiredate, EnrollmentDate from Person";
  DataSet ds=new DataSet();
  da = new SqlDataAdapter(query,con);
  da.Fill(ds, "person");
  DataTable mytable = ds.Tables["Person"];
  DataRow[] row = mytable.Select("Select PersonID=1");
  gv1.DataSource = row;
  gv1.DataBind();
}

Missing operand after PersonID operator.

Posted 1-Apr-12 22:24pm

sreekanth12

Updated 1-Apr-12 22:30pm

JF2015

v2

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OriginalGriff · Answer 1 · 2012-04-01T22:53:00

Solution 1

Try removing the word "select" - it already knows you want to select items, that is the name of the method...

C#

DataRow[] row = mytable.Select("Select PersonID=1");

Becomes

C#

DataRow[] row = mytable.Select("PersonID=1");

Posted 1-Apr-12 22:53pm

OriginalGriff

Comments

sreekanth12 2-Apr-12 4:58am

but it is giving error with columns it is coming
row error and has error.

OriginalGriff 2-Apr-12 5:01am

Can you copy and paste the error message, and show which line it relates to?

sreekanth12 2-Apr-12 5:03am

RowError HasErrors
two colummns it is displaying iam not getting please help me.

OriginalGriff 2-Apr-12 5:16am

I am trying to help you! I just don't understand what you are saying - it is probably a language problem.
Can you give an example?

sreekanth12 2-Apr-12 5:19am

in gridview it showing two rows one is rowerror and another is hasrow with checkbox

Mohamed Mitwalli · Answer 2 · 2012-04-02T00:01:00

Hi ,
It Happens Because the way u are binding
see this example it will help you .

C#

protected void Page_Load(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection(@"Data Source=.;Initial Catalog=test;Integrated Security=True");
        string statment = "select item_code, Item_name, brand, size, section, price, Material, Qty, tax, tt  from Items ";
        SqlDataAdapter da = new SqlDataAdapter(statment, con);       
        DataSet ds = new DataSet();
        da.Fill(ds);
        DataRow[] foundRows = ds.Tables[0].Select("item_code = 1", " item_code DESC", DataViewRowState.CurrentRows);
        //this is for create datatable with same schema like the orginal one .
        string statment2 = "select item_code, Item_name, brand, size, section, price, Material, Qty, tax, tt  from Items where  item_code = 0";
        SqlDataAdapter da2 = new SqlDataAdapter(statment2, con);
        DataTable dt = new DataTable();
 
        da2.Fill(dt);
        DataRow dr = dt.NewRow();   
        foreach (DataRow row in foundRows)
        {            
            dr[0] = row[0];
            dr[1] = row[1];
            dr[2] = row[2];
            dr[3] = row[3];
            dr[4] = row[4];
            dr[5] = row[5];
            dt.Rows.Add(dr);
        }
        GridView1.DataSource = dt; 
        GridView1.DataBind();
    }

ASP.NET

<div>
       <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="true">
       </asp:GridView>
</div>

Best Regards
M.Mitwalli