C# 如何从asp.net中的ArrayList值绑定ComboBox?
但是没有正确填充 我还提到了这样的表,并将代码转换为图像 代码如下:C# 如何从asp.net中的ArrayList值绑定ComboBox?,c#,asp.net,C#,Asp.net,但是没有正确填充 我还提到了这样的表,并将代码转换为图像 代码如下: DataTable dtUserType = new Common().GetUserType(true); DataTable dtUserType 1= new Common().GetUserTypeByUser(true); ArrayList lstUserTypeId =new ArrayList(); lstUserTypeId.AddRange(
DataTable dtUserType = new Common().GetUserType(true);
DataTable dtUserType 1= new Common().GetUserTypeByUser(true);
ArrayList lstUserTypeId =new ArrayList();
lstUserTypeId.AddRange(dtUserType1.Rows[0]["UserTypeId"].ToString().Split(','));
DataTable dtDownlist = new DataTable();
dtDownlist.Columns.Add("UserTypeId");
dtDownlist.Columns.Add("UserType");
DataRow dr;
foreach (string s in lstUserTypeId)
{
for (int i = 0; i < dtUserType.Rows.Count; i++)
{
dr = dtDownlist.NewRow();
//List Of superior List
if(s.ToString() != dtUserType.Rows[i]["UserTypeId"].ToString())
{
dr["USerType"] = dtUserType.Rows[i]["UserType"].ToString();
dr["UserTypeId"] = dtUserType.Rows[i]["UserTypeId"].ToString();
dtDownlist.Rows.Add(dr);
}
}
}
cmbUser.DataSource = dtDownlist;
cmbUser.DataTextField = "UserType";
cmbUser.DataValueField = "UserTypeId";
cmbUser.DataBind();
DataTable dtUserType=new Common().GetUserType(true);
DataTable dtUserType 1=new Common().GetUserTypeByUser(true);
ArrayList lstUserTypeId=新的ArrayList();
lstUserTypeId.AddRange(dtUserType1.Rows[0][“UserTypeId”].ToString().Split(',');
DataTable dtDownlist=新的DataTable();
dtDownlist.Columns.Add(“UserTypeId”);
添加(“用户类型”);
数据行dr;
foreach(lstUserTypeId中的字符串s)
{
for(int i=0;i
一般来说:
DataTable common=new common();//Id,UserType,UserTypeId
var sections=common.Where(c=>c.UserType.ToString()==“B”).First()
.ToString().Split(',');
DataTable dtDownlist=新的DataTable();
dtDownlist.Columns.Add(“UserTypeId”);
添加(“用户类型”);
数据行dr;
foreach(节中的字符串id)
{
for(int i=0;i
张贴你的代码,而不是你的代码截图,请清楚地解释问题是什么。问题是组合框多次填充,而不是正确的UserTypeId。我想填写UserType列表,其中userTable具有UserTypeId。表示如果UserType=B,则组合框从ArrayList填充C和D
DataTable common = new Common(); // Id, UserType, UserTypeId
var sections = common.Where(c => c.UserType.ToString() == "B").First()
.ToString().Split(',');
DataTable dtDownlist = new DataTable();
dtDownlist.Columns.Add("UserTypeId");
dtDownlist.Columns.Add("UserType");
DataRow dr;
foreach (string id in sections)
{
for (int i = 0; i < dtUserType.Rows.Count; i++)
{
if(Convert.ToInt16(id) == Convert.ToInt16(common.Rows[i]["Id"]))
{
dr = dtDownlist.NewRow();
dr["USerType"] = dtUserType.Rows[i]["UserType"].ToString();
dr["UserTypeId"] = dtUserType.Rows[i]["UserTypeId"].ToString();
dtDownlist.Rows.Add(dr);
}
}
}
cmbUser.DataSource = dtDownlist;
cmbUser.DataTextField = "UserType";
cmbUser.DataValueField = "UserTypeId";
cmbUser.DataBind();