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string sou = "select * from art where content like '%" + TextBox1.Text + "%'";
SqlDataAdapter da = new SqlDataAdapter(sou, conn);
DataSet ds = new DataSet();
da.Fill(ds);
if (ds.Tables[0].rows.count==0)
{
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}
else
{
this.sou.DataSource = ds;
this.sou.DataBind();
}
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