[英]Assigning checkbox a value from gridview
我selecting
一row
從Gridview
,工作除了良好的checkbox
,像我分配的價值checkbox
從retreived gridview
到checkbox
被放置Web表單上,但它不是通過形式復選框來表示,它表明在任何情況下空復選框
if (gridviewDesignations.SelectedRow.Cells[5].Text == " ")
{
chkIsHead.Text = gridviewDesignations.SelectedRow.Cells[5].Text;
}
簡而言之,復選框不是從gridview中選擇值
更新:
也嘗試了這個:
CheckBox chkIsHead = (CheckBox) gridviewDesignations.SelectedRow.Cells[5].Controls[0];
if (chkIsHead.Checked == false)
{
chkIsHead.Checked = false;
}
else
{
chkIsHead.Checked = true;
}
更新:
我的完整代碼:
public partial class frmDesignations : System.Web.UI.Page
{
AccessibleVariables accessVariables = new AccessibleVariables(); //Used to access global variables
public void Clear(params TextBox[] txtBoxes)
{
foreach (TextBox txtbx in txtBoxes)
{
txtbx.Text = "";
}
}
public void fillddlDepartments()
{
ManageDepartmentsBizz mngDepBizz = new ManageDepartmentsBizz();
DataSet ds = (DataSet)mngDepBizz.SelectDepartments();
if (ds.Tables[0].Rows.Count != 0)
{
ddlDepartments.DataValueField = "DepID";
ddlDepartments.DataTextField = "DepName";
ddlDepartments.DataSource = ds.Tables[0];
// ddlDepartments.SelectedIndex = -1;
ddlDepartments.DataBind();
ddlDepartments.Items.Insert(0, "--Select--");
}
//else
// ddlDepartments.SelectedIndex = -1;
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session.Count <= 0)
{
Response.Redirect("login.aspx");
}
lblMsgPopUp.Visible = false;
if (!IsPostBack)
{
fillddlDepartments();
}
}
protected void btnSave_Click(object sender, EventArgs e)
{
try
{
int DepartmentID = Convert.ToInt32(ddlDepartments.SelectedValue);
bool IsHead = Convert.ToBoolean(chkIsHead.Checked);
DesignationsBizz DesigBizz = new DesignationsBizz(-1, txtTitle.Text, DepartmentID, txtContactNo.Text, IsHead);
//-1 is bogus,used to fill parameters criteria i.e no of params
ManageDesignationsBizz mngDesigBizz = new ManageDesignationsBizz();
bool Result = mngDesigBizz.Insert(DesigBizz);
if (Result == true)
{
HiddenFieldSetMessage.Value = "Saved";
HiddenFieldShowMessage.Value = "True";
Clear(txtTitle, txtSelectedID, txtContactNo);
}
else
{
HiddenFieldSetMessage.Value = "RecordAlreadyExists";
HiddenFieldShowMessage.Value = "True";
}
}
catch (Exception)
{
HiddenFieldSetMessage.Value = "NotSaved";
HiddenFieldShowMessage.Value = "True";
}
}
protected void btnSearchPopup_Click(object sender, EventArgs e)
{
string DesignationTitle = txtDesignationPopUp.Text;
ManageDesignationsBizz mngDepsBizz = new ManageDesignationsBizz();
DataSet ds = (DataSet)mngDepsBizz.Select(DesignationTitle);
if (ds.Tables[0].Rows.Count != 0)
{
lblMsgPopUp.Visible = false;
gridviewDesignations.DataSource = ds.Tables[0];
gridviewDesignations.DataBind();
gridviewDesignations.Visible = true;
}
else
{
lblMsgPopUp.Visible = true;
gridviewDesignations.Visible = false;
}
}
protected void gridviewDesignations_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
string DesignationTitle = txtDesignationPopUp.Text;
ManageDesignationsBizz mngDepBizz = new ManageDesignationsBizz();
DataSet ds = (DataSet)mngDepBizz.Select(DesignationTitle);
if (ds.Tables[0].Rows.Count != 0)
{
gridviewDesignations.PageIndex = e.NewPageIndex;
gridviewDesignations.DataSource = ds.Tables[0];
gridviewDesignations.DataBind();
gridviewDesignations.Visible = true;
}
}
protected void btnEdit_Click(object sender, EventArgs e)
{
if (gridviewDesignations.SelectedRow != null)
{
if (gridviewDesignations.SelectedRow.Cells[1].Text == " ")
{
txtSelectedID.Text = string.Empty;
}
else
{
txtSelectedID.Text = gridviewDesignations.SelectedRow.Cells[1].Text;
}
if (gridviewDesignations.SelectedRow.Cells[2].Text == " ")
{
txtTitle.Text = string.Empty;
}
else
{
txtTitle.Text = gridviewDesignations.SelectedRow.Cells[2].Text;
}
if (gridviewDesignations.SelectedRow.Cells[3].Text == " ")
{
ddlDepartments.SelectedValue = string.Empty;
}
else
{
ddlDepartments.SelectedValue = gridviewDesignations.SelectedRow.Cells[3].Text;
accessVariables.DepID = Convert.ToInt32(gridviewDesignations.SelectedRow.Cells[3].Text);
ViewState["depID"] = accessVariables.DepID;
}
if (gridviewDesignations.SelectedRow.Cells[4].Text == " ")
{
txtContactNo.Text = string.Empty;
}
else
{
txtContactNo.Text = gridviewDesignations.SelectedRow.Cells[4].Text;
}
CheckBox chkIsHead = (CheckBox) gridviewDesignations.SelectedRow.Cells[5].Controls[0];
if (chkIsHead.Checked == false)
{
chkIsHead.Checked = false;
}
else
{
chkIsHead.Checked = true;
}
gridviewDesignations.DataBind();
gridviewDesignations.SelectedIndex = -1;
HiddenFieldShowHideButtons.Value = "True";
}
}
protected void btnUpdatePopUp_Click(object sender, EventArgs e)
{
try
{
int id = Convert.ToInt32(txtSelectedID.Text);
int DepartmentID = Convert.ToInt32(ddlDepartments.SelectedValue);
bool IsHead = Convert.ToBoolean(chkIsHead.Checked);
DesignationsBizz DesigBizz = new DesignationsBizz(id, txtTitle.Text, DepartmentID, txtContactNo.Text, IsHead );
ManageDesignationsBizz mngDesigBizz = new ManageDesignationsBizz();
bool Result = mngDesigBizz.Update(DesigBizz);
if (Result == true)
{
HiddenFieldSetMessage.Value = "Updated";
HiddenFieldShowMessage.Value = "True";
Clear(txtSelectedID, txtTitle, txtContactNo);
}
else
{
HiddenFieldSetMessage.Value = "NotUpdated";
HiddenFieldShowMessage.Value = "True";
}
}
catch (Exception)
{
HiddenFieldSetMessage.Value = "NotUpdated";
HiddenFieldShowMessage.Value = "True";
}
}
protected void btnDeletePopUp_Click(object sender, EventArgs e)
{
try
{
int ID = Convert.ToInt32(txtSelectedID.Text.Trim());
ManageDesignationsBizz mngDepBizz = new ManageDesignationsBizz();
mngDepBizz.Delete(ID);
Clear(txtTitle, txtSelectedID, txtContactNo);
HiddenFieldSetMessage.Value = "Deleted";
HiddenFieldShowMessage.Value = "True";
}
catch (Exception)
{
HiddenFieldSetMessage.Value = "NotDeleted";
HiddenFieldShowMessage.Value = "True";
}
}
protected void btnClosePopup_Click(object sender, EventArgs e)
{
Clear(txtTitle, txtSelectedID, txtContactNo);
}
protected void ddlDepartments_SelectedIndexChanged(object sender, EventArgs e)
{
if (txtSelectedID.Text != "")
{
accessVariables.DepID = Convert.ToInt32(ddlDepartments.SelectedValue);
ViewState["depID"] = accessVariables.DepID;
}
else
{
accessVariables.DepID = Convert.ToInt32(ddlDepartments.SelectedValue);
ViewState["depID"] = accessVariables.DepID;
}
}
protected void chkIsHead_CheckedChanged(object sender, EventArgs e)
{
if (txtSelectedID.Text != "")
{
int DepID = Convert.ToInt32(ViewState["depID"]);
ManageDesignationsBizz mngDesig = new ManageDesignationsBizz();
bool isHead = mngDesig.SelectIsHeadExistsByDepID(DepID);
if (isHead == true)
{
HiddenFieldSetMessage.Value = "HeadExists";
HiddenFieldShowMessage.Value = "True";
chkIsHead.Checked = false;
}
}
else
{
int DepID = Convert.ToInt32(ViewState["depID"]);
ManageDesignationsBizz mngDesig = new ManageDesignationsBizz();
bool isHead = mngDesig.SelectIsHeadExistsByDepID(DepID);
if (isHead == true)
{
HiddenFieldSetMessage.Value = "HeadExists";
HiddenFieldShowMessage.Value = "True";
chkIsHead.Checked = false;
}
}
}
}
我相信以下是您需要做的:
然后選擇“以編程方式編輯”。
我不確定您是否需要手動將數據放入網格中,但這不會太難。 可以在此處看到示例: http : //msdn.microsoft.com/zh-cn/library/system.data.datatable(v=vs.110).aspx
PS:您可以在網格視圖中將DataSource設置為DataTable。
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