cannot perform = operation on system.int32

public void MatchedDocumentsInFileCabinet(string MainFolder, string SubFolder, string FileName, string FilePath)

{

// Checking Main Folder is present in FileCabinet, if present retrieving MainFolderID if not Inserting MainFolderName

if (SelectedFileCabinetID == "")

{

SelectedFileCabinetID = "1";

}

int Mainfoldercount = 0;

DocSortResult getfolderdetails = objFolderManager.GetFolderDetails();

DataTable getFolderNames = new DataTable();

if (getfolderdetails.resultDS != null && getfolderdetails.resultDS.Tables[0].Rows.Count > 0)

{

 

Below line is showing error cannot perform '=' operation on system.int32 and system.string 

 

 

DataRow[] drResult = getfolderdetails.resultDS.Tables[0].Select("FileCabinet_ID = '" + SelectedFileCabinetID + "'" + "and" + " ParentFolderID = '" + "0" + "'" + "and" + " IsDelete = '" + "True" + "'");

if (drResult.Count() != 0)

{

getFolderNames = drResult.CopyToDataTable();

}

if (getFolderNames != null && getFolderNames.Rows.Count > 0)

{

foreach (DataRow dr in getFolderNames.Rows)

{

if (dr["Folder_Name"].ToString().ToUpper() == MainFolder.ToUpper())

{

Mainfoldercount += 1;

MainFolderID = dr["Folder_ID"].ToString();

}

}

}

}

if (Mainfoldercount == 0)

{

DocSortResult objinsertintofolder = objFolderManager.InsertFolderDetails(SelectedFileCabinetID, MainFolder.ToUpper(), "0", "True");

if (objinsertintofolder.resultDS != null && objinsertintofolder.resultDS.Tables[0].Rows.Count > 0)

{

DataRow dr = objinsertintofolder.resultDS.Tables[0].Rows[0];

MainFolderID = dr["FolderId"].ToString();

}

}

m_sMainFolderFile = null;

if (m_sMainFolderFile == null)

{

m_sMainFolderFile = m_sRootFile + "\\" + MainFolder.ToUpper();

if (!System.IO.Directory.Exists(m_sMainFolderFile))

System.IO.Directory.CreateDirectory(m_sMainFolderFile);

}

//End

if (SubFolder != "")

{

// Checking Sub Folder is present in Main Folder of FileCabinet, if present retrieving SubFolderID if not Inserting SubFolderName into MainFolder

int Subfoldercount = 0;

DocSortResult objgetfolderdetails = objFolderManager.GetFolderDetails();

DataTable getSubFolderNames = new DataTable();

if (objgetfolderdetails.resultDS != null && objgetfolderdetails.resultDS.Tables[0].Rows.Count > 0)

{

DataRow[] drResult = objgetfolderdetails.resultDS.Tables[0].Select("ParentFolderID = '" + MainFolderID + "'" + "and" + " ParentFolderID <> '" + 0 + "'" + "and" + " IsDelete = '" + "True" + "'");

if (drResult.Count() != 0)

{

getSubFolderNames = drResult.CopyToDataTable();

}

if (getSubFolderNames != null && getSubFolderNames.Rows.Count > 0)

{

foreach (DataRow dr in getSubFolderNames.Rows)

{

if (dr["Folder_Name"].ToString().ToUpper() == SubFolder.ToUpper())

{

Subfoldercount += 1;

SubFolderID = dr["Folder_ID"].ToString();

}

}

}

}

if (Subfoldercount == 0)

{

DocSortResult objinsertintofolder = objFolderManager.InsertFolderDetails(SelectedFileCabinetID, SubFolder.ToUpper(), MainFolderID, "True");

if (objinsertintofolder.resultDS != null && objinsertintofolder.resultDS.Tables[0].Rows.Count > 0)

{

DataRow dr = objinsertintofolder.resultDS.Tables[0].Rows[0];

SubFolderID = dr["FolderId"].ToString();

}

}

// creating sub folders in FileCabinets path and moving that file into it

m_sSubFolderFile = null;

if (m_sSubFolderFile == null)

{

m_sSubFolderFile = m_sMainFolderFile + "\\" + SubFolder.ToUpper();

if (!System.IO.Directory.Exists(m_sSubFolderFile))

System.IO.Directory.CreateDirectory(m_sSubFolderFile);

}

System.IO.File.Copy(FilePath, m_sSubFolderFile + "\\" + FileName, true);