选择下拉列值时出错 [英] error when dropdown value selectd
本文介绍了选择下拉列值时出错的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
i在我的aspx page.in中有一个下拉列表,我选择了像abc's这样的值
我得到以下错误。
i have a drop down list in my aspx page.in that i have selected the value like "abc's"
the i am getting the below error.
sys.WebForms.PageRequestManagerParserErrorException:The Message received from the server could not be parsed.Common Causse for this error are when the response is modified by calls to Response,Write(),response filters,HTTPModules,or Server trace is enables.
Details:Error parsing near'
<!DOCTYPE html P'.
我的输出应该是根据选择显示的另一个下拉菜单。
如果我选择abcs它不是在上面给出错误并填充其他正确的下拉列表。
my output should be one more dropdown should be display based on selection.
if i select "abc"s" it is not giving above error and populating other drop down list which is correct.
推荐答案
您好,
请参考以下链接:
http ://social.msdn.microsoft.com/Forums/sqlserver/en-US/8ad28654-cc4b-4e52-b12c-2faff90a1a90/special-characters-in-a-dropdown-list [ ^ ]
试试这个希望这会对你有所帮助
公共DataTable填充(字符串查询)
{
con.Open();
SqlDataAdapter adap = new SqlDataAdapter(query,con);
DataTable dt = new DataTable();
adap.Fill(dt); con.Close();
返回(dt);
}
public DataTable Brand_Name(字符串组)
{
string query =从中选择不同的Brand_Name Brand_Master,其中Group_Name ='+ group +';
DataTable dt = fill(查询);
返回dt;
} < br $> b $ b
try this hope this will help you
public DataTable fill(string query)
{
con.Open();
SqlDataAdapter adap = new SqlDataAdapter(query, con);
DataTable dt = new DataTable();
adap.Fill(dt); con.Close();
return (dt);
}
public DataTable Brand_Name(string group)
{
string query = "Select distinct Brand_Name from Brand_Master where Group_Name='"+group +"'";
DataTable dt = fill(query);
return dt;
}
protected void Group_Name_SelectedIndexChanged(object sender, EventArgs e)
{
string group = Group_Name.Text;
DataTable dt =Brand_Name(group);
Brand_Name.Items.Clear();
Brand_Name.Items.Add("--Select--");
for (int i = 0; i < dt.Rows.Count; i++)
{
Brand_Name.Items.Add(dt.Rows[i]["Brand_Name"].ToString());
}
}
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