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if (!string.IsNullOrEmpty(COURSEWARE_NAME.Text))
{
char[] c = COURSEWARE_NAME.Text.ToCharArray();
string nameconditiob = "";
for (int i = 0; i < c.Length; i++)
{
if (i == 0)
{
br.AppendFormat("and COURSEWARE_NAME like '%{0}%'", c[i].ToString());
}
else
{
br.AppendFormat("and COURSEWARE_NAME like '%{0}%'", c[i].ToString());
}
}
}